Home / 131,261.60-181,127.14-73,899.88

Finding the Fourth Proportional to 131,261.60, 181,127.14 and 73,899.88

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Solution

The fourth proportional to 131,261.60, 181,127.14 and 73,899.88 is: 101,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,261.60 : 181,127.14 = 73,899.88 : x
  2. Step 2: Convert to fraction form
    131,261.60/181,127.14 = 73,899.88/x
  3. Step 3: Cross multiply
    131,261.60x = 181,127.14 × 73,899.88
  4. Step 4: Simplify right side
    131,261.60x = 13,385,273,541.24
  5. Step 5: Solve for x
    x = 13,385,273,541.24/131,261.60
  6. Step 6: Final answer
    x = 101,974.03

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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.