Home / 126,875.04-175,106.19-73,149.54

Finding the Fourth Proportional to 126,875.04, 175,106.19 and 73,149.54

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Solution

The fourth proportional to 126,875.04, 175,106.19 and 73,149.54 is: 100,957.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,875.04 : 175,106.19 = 73,149.54 : x
  2. Step 2: Convert to fraction form
    126,875.04/175,106.19 = 73,149.54/x
  3. Step 3: Cross multiply
    126,875.04x = 175,106.19 × 73,149.54
  4. Step 4: Simplify right side
    126,875.04x = 12,808,937,249.65
  5. Step 5: Solve for x
    x = 12,808,937,249.65/126,875.04
  6. Step 6: Final answer
    x = 100,957.11

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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.