Home / 142,306.81-213,428.77-41,082.86

Finding the Fourth Proportional to 142,306.81, 213,428.77 and 41,082.86

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Solution

The fourth proportional to 142,306.81, 213,428.77 and 41,082.86 is: 61,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,306.81 : 213,428.77 = 41,082.86 : x
  2. Step 2: Convert to fraction form
    142,306.81/213,428.77 = 41,082.86/x
  3. Step 3: Cross multiply
    142,306.81x = 213,428.77 × 41,082.86
  4. Step 4: Simplify right side
    142,306.81x = 8,768,264,277.88
  5. Step 5: Solve for x
    x = 8,768,264,277.88/142,306.81
  6. Step 6: Final answer
    x = 61,615.21

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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.