Home / 126,351.17-174,365.47-68,990.90

Finding the Fourth Proportional to 126,351.17, 174,365.47 and 68,990.90

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Solution

The fourth proportional to 126,351.17, 174,365.47 and 68,990.90 is: 95,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,351.17 : 174,365.47 = 68,990.90 : x
  2. Step 2: Convert to fraction form
    126,351.17/174,365.47 = 68,990.90/x
  3. Step 3: Cross multiply
    126,351.17x = 174,365.47 × 68,990.90
  4. Step 4: Simplify right side
    126,351.17x = 12,029,630,704.22
  5. Step 5: Solve for x
    x = 12,029,630,704.22/126,351.17
  6. Step 6: Final answer
    x = 95,207.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.