Home / 209,572.29-314,182.08-91,154.43

Finding the Fourth Proportional to 209,572.29, 314,182.08 and 91,154.43

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Solution

The fourth proportional to 209,572.29, 314,182.08 and 91,154.43 is: 136,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,572.29 : 314,182.08 = 91,154.43 : x
  2. Step 2: Convert to fraction form
    209,572.29/314,182.08 = 91,154.43/x
  3. Step 3: Cross multiply
    209,572.29x = 314,182.08 × 91,154.43
  4. Step 4: Simplify right side
    209,572.29x = 28,639,088,418.61
  5. Step 5: Solve for x
    x = 28,639,088,418.61/209,572.29
  6. Step 6: Final answer
    x = 136,654.94

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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.