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Finding the Fourth Proportional to 159,937.61, 220,712.50 and 88,318.22

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Solution

The fourth proportional to 159,937.61, 220,712.50 and 88,318.22 is: 121,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,937.61 : 220,712.50 = 88,318.22 : x
  2. Step 2: Convert to fraction form
    159,937.61/220,712.50 = 88,318.22/x
  3. Step 3: Cross multiply
    159,937.61x = 220,712.50 × 88,318.22
  4. Step 4: Simplify right side
    159,937.61x = 19,492,935,462.74
  5. Step 5: Solve for x
    x = 19,492,935,462.74/159,937.61
  6. Step 6: Final answer
    x = 121,878.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.