Home / 102,231.94-141,070.18-75,388.90

Finding the Fourth Proportional to 102,231.94, 141,070.18 and 75,388.90

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Solution

The fourth proportional to 102,231.94, 141,070.18 and 75,388.90 is: 104,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,231.94 : 141,070.18 = 75,388.90 : x
  2. Step 2: Convert to fraction form
    102,231.94/141,070.18 = 75,388.90/x
  3. Step 3: Cross multiply
    102,231.94x = 141,070.18 × 75,388.90
  4. Step 4: Simplify right side
    102,231.94x = 10,635,125,693.00
  5. Step 5: Solve for x
    x = 10,635,125,693.00/102,231.94
  6. Step 6: Final answer
    x = 104,029.38

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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.