Home / 129,283.47-193,877.19-45,022.01

Finding the Fourth Proportional to 129,283.47, 193,877.19 and 45,022.01

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Solution

The fourth proportional to 129,283.47, 193,877.19 and 45,022.01 is: 67,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,283.47 : 193,877.19 = 45,022.01 : x
  2. Step 2: Convert to fraction form
    129,283.47/193,877.19 = 45,022.01/x
  3. Step 3: Cross multiply
    129,283.47x = 193,877.19 × 45,022.01
  4. Step 4: Simplify right side
    129,283.47x = 8,728,739,817.57
  5. Step 5: Solve for x
    x = 8,728,739,817.57/129,283.47
  6. Step 6: Final answer
    x = 67,516.29

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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.