Home / 121,468.62-182,159.10-51,353.40

Finding the Fourth Proportional to 121,468.62, 182,159.10 and 51,353.40

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Solution

The fourth proportional to 121,468.62, 182,159.10 and 51,353.40 is: 77,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,468.62 : 182,159.10 = 51,353.40 : x
  2. Step 2: Convert to fraction form
    121,468.62/182,159.10 = 51,353.40/x
  3. Step 3: Cross multiply
    121,468.62x = 182,159.10 × 51,353.40
  4. Step 4: Simplify right side
    121,468.62x = 9,354,489,125.94
  5. Step 5: Solve for x
    x = 9,354,489,125.94/121,468.62
  6. Step 6: Final answer
    x = 77,011.57

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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.