Home / 140,372.19-193,714.92-76,711.32

Finding the Fourth Proportional to 140,372.19, 193,714.92 and 76,711.32

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Solution

The fourth proportional to 140,372.19, 193,714.92 and 76,711.32 is: 105,862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,372.19 : 193,714.92 = 76,711.32 : x
  2. Step 2: Convert to fraction form
    140,372.19/193,714.92 = 76,711.32/x
  3. Step 3: Cross multiply
    140,372.19x = 193,714.92 × 76,711.32
  4. Step 4: Simplify right side
    140,372.19x = 14,860,127,216.89
  5. Step 5: Solve for x
    x = 14,860,127,216.89/140,372.19
  6. Step 6: Final answer
    x = 105,862.33

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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.