Home / 126,951.02-190,439.14-47,010.32

Finding the Fourth Proportional to 126,951.02, 190,439.14 and 47,010.32

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Solution

The fourth proportional to 126,951.02, 190,439.14 and 47,010.32 is: 70,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,951.02 : 190,439.14 = 47,010.32 : x
  2. Step 2: Convert to fraction form
    126,951.02/190,439.14 = 47,010.32/x
  3. Step 3: Cross multiply
    126,951.02x = 190,439.14 × 47,010.32
  4. Step 4: Simplify right side
    126,951.02x = 8,952,604,911.92
  5. Step 5: Solve for x
    x = 8,952,604,911.92/126,951.02
  6. Step 6: Final answer
    x = 70,520.15

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1.5x scale

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.