Home / 109,214.29-150,720.57-61,470.73

Finding the Fourth Proportional to 109,214.29, 150,720.57 and 61,470.73

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Solution

The fourth proportional to 109,214.29, 150,720.57 and 61,470.73 is: 84,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,214.29 : 150,720.57 = 61,470.73 : x
  2. Step 2: Convert to fraction form
    109,214.29/150,720.57 = 61,470.73/x
  3. Step 3: Cross multiply
    109,214.29x = 150,720.57 × 61,470.73
  4. Step 4: Simplify right side
    109,214.29x = 9,264,902,402.96
  5. Step 5: Solve for x
    x = 9,264,902,402.96/109,214.29
  6. Step 6: Final answer
    x = 84,832.33

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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.