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Finding the Fourth Proportional to 159,656.30, 220,327.23 and 88,038.86

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Solution

The fourth proportional to 159,656.30, 220,327.23 and 88,038.86 is: 121,494.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,656.30 : 220,327.23 = 88,038.86 : x
  2. Step 2: Convert to fraction form
    159,656.30/220,327.23 = 88,038.86/x
  3. Step 3: Cross multiply
    159,656.30x = 220,327.23 × 88,038.86
  4. Step 4: Simplify right side
    159,656.30x = 19,397,358,156.16
  5. Step 5: Solve for x
    x = 19,397,358,156.16/159,656.30
  6. Step 6: Final answer
    x = 121,494.47

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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.