Home / 106,757.28-147,330.72-61,442.16

Finding the Fourth Proportional to 106,757.28, 147,330.72 and 61,442.16

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Solution

The fourth proportional to 106,757.28, 147,330.72 and 61,442.16 is: 84,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,757.28 : 147,330.72 = 61,442.16 : x
  2. Step 2: Convert to fraction form
    106,757.28/147,330.72 = 61,442.16/x
  3. Step 3: Cross multiply
    106,757.28x = 147,330.72 × 61,442.16
  4. Step 4: Simplify right side
    106,757.28x = 9,052,317,671.16
  5. Step 5: Solve for x
    x = 9,052,317,671.16/106,757.28
  6. Step 6: Final answer
    x = 84,793.45

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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.