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Finding the Fourth Proportional to 202,073.61, 278,850.12 and 125,590.74

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Solution

The fourth proportional to 202,073.61, 278,850.12 and 125,590.74 is: 173,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,073.61 : 278,850.12 = 125,590.74 : x
  2. Step 2: Convert to fraction form
    202,073.61/278,850.12 = 125,590.74/x
  3. Step 3: Cross multiply
    202,073.61x = 278,850.12 × 125,590.74
  4. Step 4: Simplify right side
    202,073.61x = 35,020,992,919.89
  5. Step 5: Solve for x
    x = 35,020,992,919.89/202,073.61
  6. Step 6: Final answer
    x = 173,308.10

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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.