Home / 126,973.59-175,211.78-70,380.15

Finding the Fourth Proportional to 126,973.59, 175,211.78 and 70,380.15

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Solution

The fourth proportional to 126,973.59, 175,211.78 and 70,380.15 is: 97,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,973.59 : 175,211.78 = 70,380.15 : x
  2. Step 2: Convert to fraction form
    126,973.59/175,211.78 = 70,380.15/x
  3. Step 3: Cross multiply
    126,973.59x = 175,211.78 × 70,380.15
  4. Step 4: Simplify right side
    126,973.59x = 12,331,431,006.27
  5. Step 5: Solve for x
    x = 12,331,431,006.27/126,973.59
  6. Step 6: Final answer
    x = 97,118.08

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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.