Home / 239,721.40-359,328.15-104,666.86

Finding the Fourth Proportional to 239,721.40, 359,328.15 and 104,666.86

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Solution

The fourth proportional to 239,721.40, 359,328.15 and 104,666.86 is: 156,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,721.40 : 359,328.15 = 104,666.86 : x
  2. Step 2: Convert to fraction form
    239,721.40/359,328.15 = 104,666.86/x
  3. Step 3: Cross multiply
    239,721.40x = 359,328.15 × 104,666.86
  4. Step 4: Simplify right side
    239,721.40x = 37,609,749,170.11
  5. Step 5: Solve for x
    x = 37,609,749,170.11/239,721.40
  6. Step 6: Final answer
    x = 156,889.41

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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.