Home / 99,346.70-149,020.05-88,460.30

Finding the Fourth Proportional to 99,346.70, 149,020.05 and 88,460.30

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Solution

The fourth proportional to 99,346.70, 149,020.05 and 88,460.30 is: 132,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,346.70 : 149,020.05 = 88,460.30 : x
  2. Step 2: Convert to fraction form
    99,346.70/149,020.05 = 88,460.30/x
  3. Step 3: Cross multiply
    99,346.70x = 149,020.05 × 88,460.30
  4. Step 4: Simplify right side
    99,346.70x = 13,182,358,329.02
  5. Step 5: Solve for x
    x = 13,182,358,329.02/99,346.70
  6. Step 6: Final answer
    x = 132,690.45

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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.