Home / 155,959.20-233,938.80-146,117.70

Finding the Fourth Proportional to 155,959.20, 233,938.80 and 146,117.70

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Solution

The fourth proportional to 155,959.20, 233,938.80 and 146,117.70 is: 219,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,959.20 : 233,938.80 = 146,117.70 : x
  2. Step 2: Convert to fraction form
    155,959.20/233,938.80 = 146,117.70/x
  3. Step 3: Cross multiply
    155,959.20x = 233,938.80 × 146,117.70
  4. Step 4: Simplify right side
    155,959.20x = 34,182,599,396.76
  5. Step 5: Solve for x
    x = 34,182,599,396.76/155,959.20
  6. Step 6: Final answer
    x = 219,176.55

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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.