Home / 155,445.32-233,143.28-55,586.90

Finding the Fourth Proportional to 155,445.32, 233,143.28 and 55,586.90

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Solution

The fourth proportional to 155,445.32, 233,143.28 and 55,586.90 is: 83,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,445.32 : 233,143.28 = 55,586.90 : x
  2. Step 2: Convert to fraction form
    155,445.32/233,143.28 = 55,586.90/x
  3. Step 3: Cross multiply
    155,445.32x = 233,143.28 × 55,586.90
  4. Step 4: Simplify right side
    155,445.32x = 12,959,712,191.03
  5. Step 5: Solve for x
    x = 12,959,712,191.03/155,445.32
  6. Step 6: Final answer
    x = 83,371.52

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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.