Home / 126,290.66-174,280.75-69,701.63

Finding the Fourth Proportional to 126,290.66, 174,280.75 and 69,701.63

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Solution

The fourth proportional to 126,290.66, 174,280.75 and 69,701.63 is: 96,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,290.66 : 174,280.75 = 69,701.63 : x
  2. Step 2: Convert to fraction form
    126,290.66/174,280.75 = 69,701.63/x
  3. Step 3: Cross multiply
    126,290.66x = 174,280.75 × 69,701.63
  4. Step 4: Simplify right side
    126,290.66x = 12,147,652,352.62
  5. Step 5: Solve for x
    x = 12,147,652,352.62/126,290.66
  6. Step 6: Final answer
    x = 96,188.05

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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.