Home / 126,127.56-189,225.90-66,160.02

Finding the Fourth Proportional to 126,127.56, 189,225.90 and 66,160.02

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Solution

The fourth proportional to 126,127.56, 189,225.90 and 66,160.02 is: 99,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,127.56 : 189,225.90 = 66,160.02 : x
  2. Step 2: Convert to fraction form
    126,127.56/189,225.90 = 66,160.02/x
  3. Step 3: Cross multiply
    126,127.56x = 189,225.90 × 66,160.02
  4. Step 4: Simplify right side
    126,127.56x = 12,519,189,328.52
  5. Step 5: Solve for x
    x = 12,519,189,328.52/126,127.56
  6. Step 6: Final answer
    x = 99,258.16

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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.