Home / 126,920.70-175,132.26-70,331.94

Finding the Fourth Proportional to 126,920.70, 175,132.26 and 70,331.94

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Solution

The fourth proportional to 126,920.70, 175,132.26 and 70,331.94 is: 97,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,920.70 : 175,132.26 = 70,331.94 : x
  2. Step 2: Convert to fraction form
    126,920.70/175,132.26 = 70,331.94/x
  3. Step 3: Cross multiply
    126,920.70x = 175,132.26 × 70,331.94
  4. Step 4: Simplify right side
    126,920.70x = 12,317,391,602.38
  5. Step 5: Solve for x
    x = 12,317,391,602.38/126,920.70
  6. Step 6: Final answer
    x = 97,047.93

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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.