Home / 261,050.22-391,612.88-99,003.92

Finding the Fourth Proportional to 261,050.22, 391,612.88 and 99,003.92

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Solution

The fourth proportional to 261,050.22, 391,612.88 and 99,003.92 is: 148,520.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,050.22 : 391,612.88 = 99,003.92 : x
  2. Step 2: Convert to fraction form
    261,050.22/391,612.88 = 99,003.92/x
  3. Step 3: Cross multiply
    261,050.22x = 391,612.88 × 99,003.92
  4. Step 4: Simplify right side
    261,050.22x = 38,771,210,177.86
  5. Step 5: Solve for x
    x = 38,771,210,177.86/261,050.22
  6. Step 6: Final answer
    x = 148,520.12

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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.