Home / 126,129.60-174,058.56-69,541.92

Finding the Fourth Proportional to 126,129.60, 174,058.56 and 69,541.92

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Solution

The fourth proportional to 126,129.60, 174,058.56 and 69,541.92 is: 95,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,129.60 : 174,058.56 = 69,541.92 : x
  2. Step 2: Convert to fraction form
    126,129.60/174,058.56 = 69,541.92/x
  3. Step 3: Cross multiply
    126,129.60x = 174,058.56 × 69,541.92
  4. Step 4: Simplify right side
    126,129.60x = 12,104,366,454.84
  5. Step 5: Solve for x
    x = 12,104,366,454.84/126,129.60
  6. Step 6: Final answer
    x = 95,967.69

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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.