Home / 126,901.32-175,123.46-70,312.68

Finding the Fourth Proportional to 126,901.32, 175,123.46 and 70,312.68

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Solution

The fourth proportional to 126,901.32, 175,123.46 and 70,312.68 is: 97,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,901.32 : 175,123.46 = 70,312.68 : x
  2. Step 2: Convert to fraction form
    126,901.32/175,123.46 = 70,312.68/x
  3. Step 3: Cross multiply
    126,901.32x = 175,123.46 × 70,312.68
  4. Step 4: Simplify right side
    126,901.32x = 12,313,399,803.47
  5. Step 5: Solve for x
    x = 12,313,399,803.47/126,901.32
  6. Step 6: Final answer
    x = 97,031.30

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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.