Home / 126,021.60-173,908.80-69,429.60

Finding the Fourth Proportional to 126,021.60, 173,908.80 and 69,429.60

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Solution

The fourth proportional to 126,021.60, 173,908.80 and 69,429.60 is: 95,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021.60 : 173,908.80 = 69,429.60 : x
  2. Step 2: Convert to fraction form
    126,021.60/173,908.80 = 69,429.60/x
  3. Step 3: Cross multiply
    126,021.60x = 173,908.80 × 69,429.60
  4. Step 4: Simplify right side
    126,021.60x = 12,074,418,420.48
  5. Step 5: Solve for x
    x = 12,074,418,420.48/126,021.60
  6. Step 6: Final answer
    x = 95,812.29

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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.