Home / 91,119.28-136,718.38-48,950.16

Finding the Fourth Proportional to 91,119.28, 136,718.38 and 48,950.16

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Solution

The fourth proportional to 91,119.28, 136,718.38 and 48,950.16 is: 73,446.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,119.28 : 136,718.38 = 48,950.16 : x
  2. Step 2: Convert to fraction form
    91,119.28/136,718.38 = 48,950.16/x
  3. Step 3: Cross multiply
    91,119.28x = 136,718.38 × 48,950.16
  4. Step 4: Simplify right side
    91,119.28x = 6,692,386,575.94
  5. Step 5: Solve for x
    x = 6,692,386,575.94/91,119.28
  6. Step 6: Final answer
    x = 73,446.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.