Home / 126,470.44-174,326.50-85,621.68

Finding the Fourth Proportional to 126,470.44, 174,326.50 and 85,621.68

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Solution

The fourth proportional to 126,470.44, 174,326.50 and 85,621.68 is: 118,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,470.44 : 174,326.50 = 85,621.68 : x
  2. Step 2: Convert to fraction form
    126,470.44/174,326.50 = 85,621.68/x
  3. Step 3: Cross multiply
    126,470.44x = 174,326.50 × 85,621.68
  4. Step 4: Simplify right side
    126,470.44x = 14,926,127,798.52
  5. Step 5: Solve for x
    x = 14,926,127,798.52/126,470.44
  6. Step 6: Final answer
    x = 118,020.68

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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.