Home / 126,290.98-174,280.40-68,929.74

Finding the Fourth Proportional to 126,290.98, 174,280.40 and 68,929.74

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Solution

The fourth proportional to 126,290.98, 174,280.40 and 68,929.74 is: 95,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,290.98 : 174,280.40 = 68,929.74 : x
  2. Step 2: Convert to fraction form
    126,290.98/174,280.40 = 68,929.74/x
  3. Step 3: Cross multiply
    126,290.98x = 174,280.40 × 68,929.74
  4. Step 4: Simplify right side
    126,290.98x = 12,013,102,659.10
  5. Step 5: Solve for x
    x = 12,013,102,659.10/126,290.98
  6. Step 6: Final answer
    x = 95,122.41

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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.