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Finding the Fourth Proportional to 126,064, 173,971.92 and 69,479.02

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Solution

The fourth proportional to 126,064, 173,971.92 and 69,479.02 is: 95,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,064 : 173,971.92 = 69,479.02 : x
  2. Step 2: Convert to fraction form
    126,064/173,971.92 = 69,479.02/x
  3. Step 3: Cross multiply
    126,064x = 173,971.92 × 69,479.02
  4. Step 4: Simplify right side
    126,064x = 12,087,398,509.12
  5. Step 5: Solve for x
    x = 12,087,398,509.12/126,064
  6. Step 6: Final answer
    x = 95,883.03

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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.