Home / 124,205.70-171,403.82-67,617.06

Finding the Fourth Proportional to 124,205.70, 171,403.82 and 67,617.06

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Solution

The fourth proportional to 124,205.70, 171,403.82 and 67,617.06 is: 93,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,205.70 : 171,403.82 = 67,617.06 : x
  2. Step 2: Convert to fraction form
    124,205.70/171,403.82 = 67,617.06/x
  3. Step 3: Cross multiply
    124,205.70x = 171,403.82 × 67,617.06
  4. Step 4: Simplify right side
    124,205.70x = 11,589,822,381.17
  5. Step 5: Solve for x
    x = 11,589,822,381.17/124,205.70
  6. Step 6: Final answer
    x = 93,311.52

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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.