Home / 126,119.43-174,036.90-72,366.62

Finding the Fourth Proportional to 126,119.43, 174,036.90 and 72,366.62

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Solution

The fourth proportional to 126,119.43, 174,036.90 and 72,366.62 is: 99,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,119.43 : 174,036.90 = 72,366.62 : x
  2. Step 2: Convert to fraction form
    126,119.43/174,036.90 = 72,366.62/x
  3. Step 3: Cross multiply
    126,119.43x = 174,036.90 × 72,366.62
  4. Step 4: Simplify right side
    126,119.43x = 12,594,461,609.47
  5. Step 5: Solve for x
    x = 12,594,461,609.47/126,119.43
  6. Step 6: Final answer
    x = 99,861.39

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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.