Home / 155,948.43-233,728.38-71,618.94

Finding the Fourth Proportional to 155,948.43, 233,728.38 and 71,618.94

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Solution

The fourth proportional to 155,948.43, 233,728.38 and 71,618.94 is: 107,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,948.43 : 233,728.38 = 71,618.94 : x
  2. Step 2: Convert to fraction form
    155,948.43/233,728.38 = 71,618.94/x
  3. Step 3: Cross multiply
    155,948.43x = 233,728.38 × 71,618.94
  4. Step 4: Simplify right side
    155,948.43x = 16,739,378,823.52
  5. Step 5: Solve for x
    x = 16,739,378,823.52/155,948.43
  6. Step 6: Final answer
    x = 107,339.19

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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.