Home / 142,337.67-213,339.78-58,045.20

Finding the Fourth Proportional to 142,337.67, 213,339.78 and 58,045.20

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Solution

The fourth proportional to 142,337.67, 213,339.78 and 58,045.20 is: 86,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,337.67 : 213,339.78 = 58,045.20 : x
  2. Step 2: Convert to fraction form
    142,337.67/213,339.78 = 58,045.20/x
  3. Step 3: Cross multiply
    142,337.67x = 213,339.78 × 58,045.20
  4. Step 4: Simplify right side
    142,337.67x = 12,383,350,198.06
  5. Step 5: Solve for x
    x = 12,383,350,198.06/142,337.67
  6. Step 6: Final answer
    x = 86,999.81

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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.