Home / 129,541.02-194,228.06-54,641.13

Finding the Fourth Proportional to 129,541.02, 194,228.06 and 54,641.13

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Solution

The fourth proportional to 129,541.02, 194,228.06 and 54,641.13 is: 81,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,541.02 : 194,228.06 = 54,641.13 : x
  2. Step 2: Convert to fraction form
    129,541.02/194,228.06 = 54,641.13/x
  3. Step 3: Cross multiply
    129,541.02x = 194,228.06 × 54,641.13
  4. Step 4: Simplify right side
    129,541.02x = 10,612,840,676.11
  5. Step 5: Solve for x
    x = 10,612,840,676.11/129,541.02
  6. Step 6: Final answer
    x = 81,926.49

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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.