Home / 126,937.60-190,479.30-48,108.40

Finding the Fourth Proportional to 126,937.60, 190,479.30 and 48,108.40

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Solution

The fourth proportional to 126,937.60, 190,479.30 and 48,108.40 is: 72,190.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,937.60 : 190,479.30 = 48,108.40 : x
  2. Step 2: Convert to fraction form
    126,937.60/190,479.30 = 48,108.40/x
  3. Step 3: Cross multiply
    126,937.60x = 190,479.30 × 48,108.40
  4. Step 4: Simplify right side
    126,937.60x = 9,163,654,356.12
  5. Step 5: Solve for x
    x = 9,163,654,356.12/126,937.60
  6. Step 6: Final answer
    x = 72,190.23

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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.