Home / 126,402.75-174,435.80-69,817.77

Finding the Fourth Proportional to 126,402.75, 174,435.80 and 69,817.77

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Solution

The fourth proportional to 126,402.75, 174,435.80 and 69,817.77 is: 96,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,402.75 : 174,435.80 = 69,817.77 : x
  2. Step 2: Convert to fraction form
    126,402.75/174,435.80 = 69,817.77/x
  3. Step 3: Cross multiply
    126,402.75x = 174,435.80 × 69,817.77
  4. Step 4: Simplify right side
    126,402.75x = 12,178,718,215.08
  5. Step 5: Solve for x
    x = 12,178,718,215.08/126,402.75
  6. Step 6: Final answer
    x = 96,348.52

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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.