Home / 126,886.20-190,402.20-48,008.40

Finding the Fourth Proportional to 126,886.20, 190,402.20 and 48,008.40

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Solution

The fourth proportional to 126,886.20, 190,402.20 and 48,008.40 is: 72,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,886.20 : 190,402.20 = 48,008.40 : x
  2. Step 2: Convert to fraction form
    126,886.20/190,402.20 = 48,008.40/x
  3. Step 3: Cross multiply
    126,886.20x = 190,402.20 × 48,008.40
  4. Step 4: Simplify right side
    126,886.20x = 9,140,904,978.48
  5. Step 5: Solve for x
    x = 9,140,904,978.48/126,886.20
  6. Step 6: Final answer
    x = 72,040.18

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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.