Home / 78,732.29-118,098.37-19,567.96

Finding the Fourth Proportional to 78,732.29, 118,098.37 and 19,567.96

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Solution

The fourth proportional to 78,732.29, 118,098.37 and 19,567.96 is: 29,351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732.29 : 118,098.37 = 19,567.96 : x
  2. Step 2: Convert to fraction form
    78,732.29/118,098.37 = 19,567.96/x
  3. Step 3: Cross multiply
    78,732.29x = 118,098.37 × 19,567.96
  4. Step 4: Simplify right side
    78,732.29x = 2,310,944,117.16
  5. Step 5: Solve for x
    x = 2,310,944,117.16/78,732.29
  6. Step 6: Final answer
    x = 29,351.92

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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.