Home / 159,656.05-220,326.89-88,038.61

Finding the Fourth Proportional to 159,656.05, 220,326.89 and 88,038.61

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Solution

The fourth proportional to 159,656.05, 220,326.89 and 88,038.61 is: 121,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,656.05 : 220,326.89 = 88,038.61 : x
  2. Step 2: Convert to fraction form
    159,656.05/220,326.89 = 88,038.61/x
  3. Step 3: Cross multiply
    159,656.05x = 220,326.89 × 88,038.61
  4. Step 4: Simplify right side
    159,656.05x = 19,397,272,701.03
  5. Step 5: Solve for x
    x = 19,397,272,701.03/159,656.05
  6. Step 6: Final answer
    x = 121,494.13

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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.