Home / 261,148.50-391,727.07-113,404.50

Finding the Fourth Proportional to 261,148.50, 391,727.07 and 113,404.50

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Solution

The fourth proportional to 261,148.50, 391,727.07 and 113,404.50 is: 170,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,148.50 : 391,727.07 = 113,404.50 : x
  2. Step 2: Convert to fraction form
    261,148.50/391,727.07 = 113,404.50/x
  3. Step 3: Cross multiply
    261,148.50x = 391,727.07 × 113,404.50
  4. Step 4: Simplify right side
    261,148.50x = 44,423,612,509.82
  5. Step 5: Solve for x
    x = 44,423,612,509.82/261,148.50
  6. Step 6: Final answer
    x = 170,108.63

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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.