Home / 126,908.72-175,134.12-70,321.04

Finding the Fourth Proportional to 126,908.72, 175,134.12 and 70,321.04

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Solution

The fourth proportional to 126,908.72, 175,134.12 and 70,321.04 is: 97,043.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,908.72 : 175,134.12 = 70,321.04 : x
  2. Step 2: Convert to fraction form
    126,908.72/175,134.12 = 70,321.04/x
  3. Step 3: Cross multiply
    126,908.72x = 175,134.12 × 70,321.04
  4. Step 4: Simplify right side
    126,908.72x = 12,315,613,457.88
  5. Step 5: Solve for x
    x = 12,315,613,457.88/126,908.72
  6. Step 6: Final answer
    x = 97,043.08

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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.