Home / 129,573.30-178,750.04-75,825.06

Finding the Fourth Proportional to 129,573.30, 178,750.04 and 75,825.06

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Solution

The fourth proportional to 129,573.30, 178,750.04 and 75,825.06 is: 104,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,573.30 : 178,750.04 = 75,825.06 : x
  2. Step 2: Convert to fraction form
    129,573.30/178,750.04 = 75,825.06/x
  3. Step 3: Cross multiply
    129,573.30x = 178,750.04 × 75,825.06
  4. Step 4: Simplify right side
    129,573.30x = 13,553,732,508.00
  5. Step 5: Solve for x
    x = 13,553,732,508.00/129,573.30
  6. Step 6: Final answer
    x = 104,602.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.