Home / 124,104.15-171,262.80-67,515.48

Finding the Fourth Proportional to 124,104.15, 171,262.80 and 67,515.48

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Solution

The fourth proportional to 124,104.15, 171,262.80 and 67,515.48 is: 93,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,104.15 : 171,262.80 = 67,515.48 : x
  2. Step 2: Convert to fraction form
    124,104.15/171,262.80 = 67,515.48/x
  3. Step 3: Cross multiply
    124,104.15x = 171,262.80 × 67,515.48
  4. Step 4: Simplify right side
    124,104.15x = 11,562,890,148.14
  5. Step 5: Solve for x
    x = 11,562,890,148.14/124,104.15
  6. Step 6: Final answer
    x = 93,170.86

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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.