Home / 125,521.11-173,222.15-68,933.70

Finding the Fourth Proportional to 125,521.11, 173,222.15 and 68,933.70

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Solution

The fourth proportional to 125,521.11, 173,222.15 and 68,933.70 is: 95,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,521.11 : 173,222.15 = 68,933.70 : x
  2. Step 2: Convert to fraction form
    125,521.11/173,222.15 = 68,933.70/x
  3. Step 3: Cross multiply
    125,521.11x = 173,222.15 × 68,933.70
  4. Step 4: Simplify right side
    125,521.11x = 11,940,843,376.79
  5. Step 5: Solve for x
    x = 11,940,843,376.79/125,521.11
  6. Step 6: Final answer
    x = 95,130.16

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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.