Home / 129,152.35-193,673.85-40,382.02

Finding the Fourth Proportional to 129,152.35, 193,673.85 and 40,382.02

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Solution

The fourth proportional to 129,152.35, 193,673.85 and 40,382.02 is: 60,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,152.35 : 193,673.85 = 40,382.02 : x
  2. Step 2: Convert to fraction form
    129,152.35/193,673.85 = 40,382.02/x
  3. Step 3: Cross multiply
    129,152.35x = 193,673.85 × 40,382.02
  4. Step 4: Simplify right side
    129,152.35x = 7,820,941,284.18
  5. Step 5: Solve for x
    x = 7,820,941,284.18/129,152.35
  6. Step 6: Final answer
    x = 60,555.93

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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.