Home / 140,523.24-193,920.66-76,862.28

Finding the Fourth Proportional to 140,523.24, 193,920.66 and 76,862.28

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Solution

The fourth proportional to 140,523.24, 193,920.66 and 76,862.28 is: 106,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,523.24 : 193,920.66 = 76,862.28 : x
  2. Step 2: Convert to fraction form
    140,523.24/193,920.66 = 76,862.28/x
  3. Step 3: Cross multiply
    140,523.24x = 193,920.66 × 76,862.28
  4. Step 4: Simplify right side
    140,523.24x = 14,905,184,066.70
  5. Step 5: Solve for x
    x = 14,905,184,066.70/140,523.24
  6. Step 6: Final answer
    x = 106,069.17

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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.