Home / 102,286.52-153,330.60-52,390.16

Finding the Fourth Proportional to 102,286.52, 153,330.60 and 52,390.16

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Solution

The fourth proportional to 102,286.52, 153,330.60 and 52,390.16 is: 78,534.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,286.52 : 153,330.60 = 52,390.16 : x
  2. Step 2: Convert to fraction form
    102,286.52/153,330.60 = 52,390.16/x
  3. Step 3: Cross multiply
    102,286.52x = 153,330.60 × 52,390.16
  4. Step 4: Simplify right side
    102,286.52x = 8,033,014,666.90
  5. Step 5: Solve for x
    x = 8,033,014,666.90/102,286.52
  6. Step 6: Final answer
    x = 78,534.44

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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.