Home / 126,966.60-190,452.65-47,008.53

Finding the Fourth Proportional to 126,966.60, 190,452.65 and 47,008.53

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Solution

The fourth proportional to 126,966.60, 190,452.65 and 47,008.53 is: 70,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,966.60 : 190,452.65 = 47,008.53 : x
  2. Step 2: Convert to fraction form
    126,966.60/190,452.65 = 47,008.53/x
  3. Step 3: Cross multiply
    126,966.60x = 190,452.65 × 47,008.53
  4. Step 4: Simplify right side
    126,966.60x = 8,952,898,876.06
  5. Step 5: Solve for x
    x = 8,952,898,876.06/126,966.60
  6. Step 6: Final answer
    x = 70,513.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.