Home / 131,534.04-181,517.00-71,104.50

Finding the Fourth Proportional to 131,534.04, 181,517.00 and 71,104.50

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Solution

The fourth proportional to 131,534.04, 181,517.00 and 71,104.50 is: 98,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,534.04 : 181,517.00 = 71,104.50 : x
  2. Step 2: Convert to fraction form
    131,534.04/181,517.00 = 71,104.50/x
  3. Step 3: Cross multiply
    131,534.04x = 181,517.00 × 71,104.50
  4. Step 4: Simplify right side
    131,534.04x = 12,906,675,170.98
  5. Step 5: Solve for x
    x = 12,906,675,170.98/131,534.04
  6. Step 6: Final answer
    x = 98,124.22

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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.