Home / 239,705.40-359,391.34-121,295.76

Finding the Fourth Proportional to 239,705.40, 359,391.34 and 121,295.76

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Solution

The fourth proportional to 239,705.40, 359,391.34 and 121,295.76 is: 181,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,705.40 : 359,391.34 = 121,295.76 : x
  2. Step 2: Convert to fraction form
    239,705.40/359,391.34 = 121,295.76/x
  3. Step 3: Cross multiply
    239,705.40x = 359,391.34 × 121,295.76
  4. Step 4: Simplify right side
    239,705.40x = 43,592,645,722.72
  5. Step 5: Solve for x
    x = 43,592,645,722.72/239,705.40
  6. Step 6: Final answer
    x = 181,859.26

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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.