Home / 140,374.64-193,717.08-76,712.43

Finding the Fourth Proportional to 140,374.64, 193,717.08 and 76,712.43

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Solution

The fourth proportional to 140,374.64, 193,717.08 and 76,712.43 is: 105,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,374.64 : 193,717.08 = 76,712.43 : x
  2. Step 2: Convert to fraction form
    140,374.64/193,717.08 = 76,712.43/x
  3. Step 3: Cross multiply
    140,374.64x = 193,717.08 × 76,712.43
  4. Step 4: Simplify right side
    140,374.64x = 14,860,508,665.74
  5. Step 5: Solve for x
    x = 14,860,508,665.74/140,374.64
  6. Step 6: Final answer
    x = 105,863.20

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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.