Home / 209,233.92-288,743.02-113,740.62

Finding the Fourth Proportional to 209,233.92, 288,743.02 and 113,740.62

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Solution

The fourth proportional to 209,233.92, 288,743.02 and 113,740.62 is: 156,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,233.92 : 288,743.02 = 113,740.62 : x
  2. Step 2: Convert to fraction form
    209,233.92/288,743.02 = 113,740.62/x
  3. Step 3: Cross multiply
    209,233.92x = 288,743.02 × 113,740.62
  4. Step 4: Simplify right side
    209,233.92x = 32,841,810,115.47
  5. Step 5: Solve for x
    x = 32,841,810,115.47/209,233.92
  6. Step 6: Final answer
    x = 156,962.17

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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.