Home / 125,470.15-173,142.88-68,108.18

Finding the Fourth Proportional to 125,470.15, 173,142.88 and 68,108.18

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Solution

The fourth proportional to 125,470.15, 173,142.88 and 68,108.18 is: 93,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,470.15 : 173,142.88 = 68,108.18 : x
  2. Step 2: Convert to fraction form
    125,470.15/173,142.88 = 68,108.18/x
  3. Step 3: Cross multiply
    125,470.15x = 173,142.88 × 68,108.18
  4. Step 4: Simplify right side
    125,470.15x = 11,792,445,400.77
  5. Step 5: Solve for x
    x = 11,792,445,400.77/125,470.15
  6. Step 6: Final answer
    x = 93,986.06

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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.