Home / 78,714.18-118,036.50-22,541.52

Finding the Fourth Proportional to 78,714.18, 118,036.50 and 22,541.52

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Solution

The fourth proportional to 78,714.18, 118,036.50 and 22,541.52 is: 33,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,714.18 : 118,036.50 = 22,541.52 : x
  2. Step 2: Convert to fraction form
    78,714.18/118,036.50 = 22,541.52/x
  3. Step 3: Cross multiply
    78,714.18x = 118,036.50 × 22,541.52
  4. Step 4: Simplify right side
    78,714.18x = 2,660,722,125.48
  5. Step 5: Solve for x
    x = 2,660,722,125.48/78,714.18
  6. Step 6: Final answer
    x = 33,802.32

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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.