Home / 126,345.32-174,128.17-104,721.19

Finding the Fourth Proportional to 126,345.32, 174,128.17 and 104,721.19

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Solution

The fourth proportional to 126,345.32, 174,128.17 and 104,721.19 is: 144,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,345.32 : 174,128.17 = 104,721.19 : x
  2. Step 2: Convert to fraction form
    126,345.32/174,128.17 = 104,721.19/x
  3. Step 3: Cross multiply
    126,345.32x = 174,128.17 × 104,721.19
  4. Step 4: Simplify right side
    126,345.32x = 18,234,909,174.92
  5. Step 5: Solve for x
    x = 18,234,909,174.92/126,345.32
  6. Step 6: Final answer
    x = 144,325.96

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1.5x scale

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.