Home / 145,211.80-217,768.57-55,233.15

Finding the Fourth Proportional to 145,211.80, 217,768.57 and 55,233.15

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Solution

The fourth proportional to 145,211.80, 217,768.57 and 55,233.15 is: 82,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,211.80 : 217,768.57 = 55,233.15 : x
  2. Step 2: Convert to fraction form
    145,211.80/217,768.57 = 55,233.15/x
  3. Step 3: Cross multiply
    145,211.80x = 217,768.57 × 55,233.15
  4. Step 4: Simplify right side
    145,211.80x = 12,028,044,092.10
  5. Step 5: Solve for x
    x = 12,028,044,092.10/145,211.80
  6. Step 6: Final answer
    x = 82,831.04

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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.