Home / 102,281.52-153,323.10-52,385.16

Finding the Fourth Proportional to 102,281.52, 153,323.10 and 52,385.16

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Solution

The fourth proportional to 102,281.52, 153,323.10 and 52,385.16 is: 78,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,281.52 : 153,323.10 = 52,385.16 : x
  2. Step 2: Convert to fraction form
    102,281.52/153,323.10 = 52,385.16/x
  3. Step 3: Cross multiply
    102,281.52x = 153,323.10 × 52,385.16
  4. Step 4: Simplify right side
    102,281.52x = 8,031,855,125.20
  5. Step 5: Solve for x
    x = 8,031,855,125.20/102,281.52
  6. Step 6: Final answer
    x = 78,526.94

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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.