Home / 126,937.02-190,356.30-67,740.40

Finding the Fourth Proportional to 126,937.02, 190,356.30 and 67,740.40

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Solution

The fourth proportional to 126,937.02, 190,356.30 and 67,740.40 is: 101,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,937.02 : 190,356.30 = 67,740.40 : x
  2. Step 2: Convert to fraction form
    126,937.02/190,356.30 = 67,740.40/x
  3. Step 3: Cross multiply
    126,937.02x = 190,356.30 × 67,740.40
  4. Step 4: Simplify right side
    126,937.02x = 12,894,811,904.52
  5. Step 5: Solve for x
    x = 12,894,811,904.52/126,937.02
  6. Step 6: Final answer
    x = 101,584.33

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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.