Home / 142,526.62-213,823.17-41,326.78

Finding the Fourth Proportional to 142,526.62, 213,823.17 and 41,326.78

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Solution

The fourth proportional to 142,526.62, 213,823.17 and 41,326.78 is: 61,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,526.62 : 213,823.17 = 41,326.78 : x
  2. Step 2: Convert to fraction form
    142,526.62/213,823.17 = 41,326.78/x
  3. Step 3: Cross multiply
    142,526.62x = 213,823.17 × 41,326.78
  4. Step 4: Simplify right side
    142,526.62x = 8,836,623,105.49
  5. Step 5: Solve for x
    x = 8,836,623,105.49/142,526.62
  6. Step 6: Final answer
    x = 61,999.81

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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.