Home / 124,134.12-171,275.92-70,406.76

Finding the Fourth Proportional to 124,134.12, 171,275.92 and 70,406.76

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Solution

The fourth proportional to 124,134.12, 171,275.92 and 70,406.76 is: 97,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,134.12 : 171,275.92 = 70,406.76 : x
  2. Step 2: Convert to fraction form
    124,134.12/171,275.92 = 70,406.76/x
  3. Step 3: Cross multiply
    124,134.12x = 171,275.92 × 70,406.76
  4. Step 4: Simplify right side
    124,134.12x = 12,058,982,593.22
  5. Step 5: Solve for x
    x = 12,058,982,593.22/124,134.12
  6. Step 6: Final answer
    x = 97,144.79

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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.