Home / 124,278.16-171,505.80-67,689.48

Finding the Fourth Proportional to 124,278.16, 171,505.80 and 67,689.48

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Solution

The fourth proportional to 124,278.16, 171,505.80 and 67,689.48 is: 93,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,278.16 : 171,505.80 = 67,689.48 : x
  2. Step 2: Convert to fraction form
    124,278.16/171,505.80 = 67,689.48/x
  3. Step 3: Cross multiply
    124,278.16x = 171,505.80 × 67,689.48
  4. Step 4: Simplify right side
    124,278.16x = 11,609,138,418.98
  5. Step 5: Solve for x
    x = 11,609,138,418.98/124,278.16
  6. Step 6: Final answer
    x = 93,412.54

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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.