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Finding the Fourth Proportional to 159,796.18, 239,686.48 and 59,948.59

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Solution

The fourth proportional to 159,796.18, 239,686.48 and 59,948.59 is: 89,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,796.18 : 239,686.48 = 59,948.59 : x
  2. Step 2: Convert to fraction form
    159,796.18/239,686.48 = 59,948.59/x
  3. Step 3: Cross multiply
    159,796.18x = 239,686.48 × 59,948.59
  4. Step 4: Simplify right side
    159,796.18x = 14,368,866,518.06
  5. Step 5: Solve for x
    x = 14,368,866,518.06/159,796.18
  6. Step 6: Final answer
    x = 89,919.96

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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.