Home / 208,860.28-313,439.68-89,001.16

Finding the Fourth Proportional to 208,860.28, 313,439.68 and 89,001.16

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Solution

The fourth proportional to 208,860.28, 313,439.68 and 89,001.16 is: 133,565.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,860.28 : 313,439.68 = 89,001.16 : x
  2. Step 2: Convert to fraction form
    208,860.28/313,439.68 = 89,001.16/x
  3. Step 3: Cross multiply
    208,860.28x = 313,439.68 × 89,001.16
  4. Step 4: Simplify right side
    208,860.28x = 27,896,495,110.03
  5. Step 5: Solve for x
    x = 27,896,495,110.03/208,860.28
  6. Step 6: Final answer
    x = 133,565.34

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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.