Home / 99,384.14-137,282.38-97,938.30

Finding the Fourth Proportional to 99,384.14, 137,282.38 and 97,938.30

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Solution

The fourth proportional to 99,384.14, 137,282.38 and 97,938.30 is: 135,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,384.14 : 137,282.38 = 97,938.30 : x
  2. Step 2: Convert to fraction form
    99,384.14/137,282.38 = 97,938.30/x
  3. Step 3: Cross multiply
    99,384.14x = 137,282.38 × 97,938.30
  4. Step 4: Simplify right side
    99,384.14x = 13,445,202,917.15
  5. Step 5: Solve for x
    x = 13,445,202,917.15/99,384.14
  6. Step 6: Final answer
    x = 135,285.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.