Home / 145,613.76-218,443.68-52,117.44

Finding the Fourth Proportional to 145,613.76, 218,443.68 and 52,117.44

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Solution

The fourth proportional to 145,613.76, 218,443.68 and 52,117.44 is: 78,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,613.76 : 218,443.68 = 52,117.44 : x
  2. Step 2: Convert to fraction form
    145,613.76/218,443.68 = 52,117.44/x
  3. Step 3: Cross multiply
    145,613.76x = 218,443.68 × 52,117.44
  4. Step 4: Simplify right side
    145,613.76x = 11,384,725,385.78
  5. Step 5: Solve for x
    x = 11,384,725,385.78/145,613.76
  6. Step 6: Final answer
    x = 78,184.41

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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.