Home / 209,036.43-288,470.36-113,545.13

Finding the Fourth Proportional to 209,036.43, 288,470.36 and 113,545.13

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Solution

The fourth proportional to 209,036.43, 288,470.36 and 113,545.13 is: 156,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,036.43 : 288,470.36 = 113,545.13 : x
  2. Step 2: Convert to fraction form
    209,036.43/288,470.36 = 113,545.13/x
  3. Step 3: Cross multiply
    209,036.43x = 288,470.36 × 113,545.13
  4. Step 4: Simplify right side
    209,036.43x = 32,754,403,368.86
  5. Step 5: Solve for x
    x = 32,754,403,368.86/209,036.43
  6. Step 6: Final answer
    x = 156,692.32

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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.