Home / 239,521.14-359,182.86-81,762.30

Finding the Fourth Proportional to 239,521.14, 359,182.86 and 81,762.30

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Solution

The fourth proportional to 239,521.14, 359,182.86 and 81,762.30 is: 122,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,521.14 : 359,182.86 = 81,762.30 : x
  2. Step 2: Convert to fraction form
    239,521.14/359,182.86 = 81,762.30/x
  3. Step 3: Cross multiply
    239,521.14x = 359,182.86 × 81,762.30
  4. Step 4: Simplify right side
    239,521.14x = 29,367,616,754.18
  5. Step 5: Solve for x
    x = 29,367,616,754.18/239,521.14
  6. Step 6: Final answer
    x = 122,609.71

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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.