Home / 99,913.92-137,646.60-69,644.16

Finding the Fourth Proportional to 99,913.92, 137,646.60 and 69,644.16

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Solution

The fourth proportional to 99,913.92, 137,646.60 and 69,644.16 is: 95,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,913.92 : 137,646.60 = 69,644.16 : x
  2. Step 2: Convert to fraction form
    99,913.92/137,646.60 = 69,644.16/x
  3. Step 3: Cross multiply
    99,913.92x = 137,646.60 × 69,644.16
  4. Step 4: Simplify right side
    99,913.92x = 9,586,281,833.86
  5. Step 5: Solve for x
    x = 9,586,281,833.86/99,913.92
  6. Step 6: Final answer
    x = 95,945.41

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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.