Home / 140,560.64-193,966.08-76,885.76

Finding the Fourth Proportional to 140,560.64, 193,966.08 and 76,885.76

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Solution

The fourth proportional to 140,560.64, 193,966.08 and 76,885.76 is: 106,098.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,560.64 : 193,966.08 = 76,885.76 : x
  2. Step 2: Convert to fraction form
    140,560.64/193,966.08 = 76,885.76/x
  3. Step 3: Cross multiply
    140,560.64x = 193,966.08 × 76,885.76
  4. Step 4: Simplify right side
    140,560.64x = 14,913,229,475.02
  5. Step 5: Solve for x
    x = 14,913,229,475.02/140,560.64
  6. Step 6: Final answer
    x = 106,098.19

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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.