Home / 126,320.04-174,321.86-69,731.40

Finding the Fourth Proportional to 126,320.04, 174,321.86 and 69,731.40

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Solution

The fourth proportional to 126,320.04, 174,321.86 and 69,731.40 is: 96,229.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,320.04 : 174,321.86 = 69,731.40 : x
  2. Step 2: Convert to fraction form
    126,320.04/174,321.86 = 69,731.40/x
  3. Step 3: Cross multiply
    126,320.04x = 174,321.86 × 69,731.40
  4. Step 4: Simplify right side
    126,320.04x = 12,155,707,348.40
  5. Step 5: Solve for x
    x = 12,155,707,348.40/126,320.04
  6. Step 6: Final answer
    x = 96,229.45

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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.