Home / 102,887.70-154,331.55-92,001.30

Finding the Fourth Proportional to 102,887.70, 154,331.55 and 92,001.30

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Solution

The fourth proportional to 102,887.70, 154,331.55 and 92,001.30 is: 138,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,887.70 : 154,331.55 = 92,001.30 : x
  2. Step 2: Convert to fraction form
    102,887.70/154,331.55 = 92,001.30/x
  3. Step 3: Cross multiply
    102,887.70x = 154,331.55 × 92,001.30
  4. Step 4: Simplify right side
    102,887.70x = 14,198,703,231.02
  5. Step 5: Solve for x
    x = 14,198,703,231.02/102,887.70
  6. Step 6: Final answer
    x = 138,001.95

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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.