Home / 99,746.70-149,620.05-97,997.10

Finding the Fourth Proportional to 99,746.70, 149,620.05 and 97,997.10

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Solution

The fourth proportional to 99,746.70, 149,620.05 and 97,997.10 is: 146,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,746.70 : 149,620.05 = 97,997.10 : x
  2. Step 2: Convert to fraction form
    99,746.70/149,620.05 = 97,997.10/x
  3. Step 3: Cross multiply
    99,746.70x = 149,620.05 × 97,997.10
  4. Step 4: Simplify right side
    99,746.70x = 14,662,331,001.86
  5. Step 5: Solve for x
    x = 14,662,331,001.86/99,746.70
  6. Step 6: Final answer
    x = 146,995.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.