Home / 138,895.04-191,675.28-75,233

Finding the Fourth Proportional to 138,895.04, 191,675.28 and 75,233

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Solution

The fourth proportional to 138,895.04, 191,675.28 and 75,233 is: 103,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,895.04 : 191,675.28 = 75,233 : x
  2. Step 2: Convert to fraction form
    138,895.04/191,675.28 = 75,233/x
  3. Step 3: Cross multiply
    138,895.04x = 191,675.28 × 75,233
  4. Step 4: Simplify right side
    138,895.04x = 14,420,306,340.24
  5. Step 5: Solve for x
    x = 14,420,306,340.24/138,895.04
  6. Step 6: Final answer
    x = 103,821.61

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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.