Home / 155,489.78-233,225.17-91,483.43

Finding the Fourth Proportional to 155,489.78, 233,225.17 and 91,483.43

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Solution

The fourth proportional to 155,489.78, 233,225.17 and 91,483.43 is: 137,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,489.78 : 233,225.17 = 91,483.43 : x
  2. Step 2: Convert to fraction form
    155,489.78/233,225.17 = 91,483.43/x
  3. Step 3: Cross multiply
    155,489.78x = 233,225.17 × 91,483.43
  4. Step 4: Simplify right side
    155,489.78x = 21,336,237,633.69
  5. Step 5: Solve for x
    x = 21,336,237,633.69/155,489.78
  6. Step 6: Final answer
    x = 137,219.55

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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.