Home / 129,629.13-194,443.71-31,133.13

Finding the Fourth Proportional to 129,629.13, 194,443.71 and 31,133.13

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Solution

The fourth proportional to 129,629.13, 194,443.71 and 31,133.13 is: 46,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,629.13 : 194,443.71 = 31,133.13 : x
  2. Step 2: Convert to fraction form
    129,629.13/194,443.71 = 31,133.13/x
  3. Step 3: Cross multiply
    129,629.13x = 194,443.71 × 31,133.13
  4. Step 4: Simplify right side
    129,629.13x = 6,053,641,301.11
  5. Step 5: Solve for x
    x = 6,053,641,301.11/129,629.13
  6. Step 6: Final answer
    x = 46,699.70

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1.5x scale

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.