Home / 129,684.60-194,526.98-40,947.16

Finding the Fourth Proportional to 129,684.60, 194,526.98 and 40,947.16

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Solution

The fourth proportional to 129,684.60, 194,526.98 and 40,947.16 is: 61,420.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,684.60 : 194,526.98 = 40,947.16 : x
  2. Step 2: Convert to fraction form
    129,684.60/194,526.98 = 40,947.16/x
  3. Step 3: Cross multiply
    129,684.60x = 194,526.98 × 40,947.16
  4. Step 4: Simplify right side
    129,684.60x = 7,965,327,374.38
  5. Step 5: Solve for x
    x = 7,965,327,374.38/129,684.60
  6. Step 6: Final answer
    x = 61,420.77

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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.