Home / 126,918.64-175,148.76-70,330.96

Finding the Fourth Proportional to 126,918.64, 175,148.76 and 70,330.96

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Solution

The fourth proportional to 126,918.64, 175,148.76 and 70,330.96 is: 97,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,918.64 : 175,148.76 = 70,330.96 : x
  2. Step 2: Convert to fraction form
    126,918.64/175,148.76 = 70,330.96/x
  3. Step 3: Cross multiply
    126,918.64x = 175,148.76 × 70,330.96
  4. Step 4: Simplify right side
    126,918.64x = 12,318,380,433.61
  5. Step 5: Solve for x
    x = 12,318,380,433.61/126,918.64
  6. Step 6: Final answer
    x = 97,057.30

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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.