Home / 126,986.91-175,242.18-70,398.29

Finding the Fourth Proportional to 126,986.91, 175,242.18 and 70,398.29

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Solution

The fourth proportional to 126,986.91, 175,242.18 and 70,398.29 is: 97,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,986.91 : 175,242.18 = 70,398.29 : x
  2. Step 2: Convert to fraction form
    126,986.91/175,242.18 = 70,398.29/x
  3. Step 3: Cross multiply
    126,986.91x = 175,242.18 × 70,398.29
  4. Step 4: Simplify right side
    126,986.91x = 12,336,748,931.66
  5. Step 5: Solve for x
    x = 12,336,748,931.66/126,986.91
  6. Step 6: Final answer
    x = 97,149.77

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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.