Home / 126,287.02-189,461.85-37,540.36

Finding the Fourth Proportional to 126,287.02, 189,461.85 and 37,540.36

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Solution

The fourth proportional to 126,287.02, 189,461.85 and 37,540.36 is: 56,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,287.02 : 189,461.85 = 37,540.36 : x
  2. Step 2: Convert to fraction form
    126,287.02/189,461.85 = 37,540.36/x
  3. Step 3: Cross multiply
    126,287.02x = 189,461.85 × 37,540.36
  4. Step 4: Simplify right side
    126,287.02x = 7,112,466,055.27
  5. Step 5: Solve for x
    x = 7,112,466,055.27/126,287.02
  6. Step 6: Final answer
    x = 56,319.85

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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.