Home / 169,001.28-253,624.01-66,433.86

Finding the Fourth Proportional to 169,001.28, 253,624.01 and 66,433.86

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Solution

The fourth proportional to 169,001.28, 253,624.01 and 66,433.86 is: 99,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,001.28 : 253,624.01 = 66,433.86 : x
  2. Step 2: Convert to fraction form
    169,001.28/253,624.01 = 66,433.86/x
  3. Step 3: Cross multiply
    169,001.28x = 253,624.01 × 66,433.86
  4. Step 4: Simplify right side
    169,001.28x = 16,849,221,640.81
  5. Step 5: Solve for x
    x = 16,849,221,640.81/169,001.28
  6. Step 6: Final answer
    x = 99,698.78

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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.