Home / 155,519.70-233,279.55-66,758.10

Finding the Fourth Proportional to 155,519.70, 233,279.55 and 66,758.10

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Solution

The fourth proportional to 155,519.70, 233,279.55 and 66,758.10 is: 100,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,519.70 : 233,279.55 = 66,758.10 : x
  2. Step 2: Convert to fraction form
    155,519.70/233,279.55 = 66,758.10/x
  3. Step 3: Cross multiply
    155,519.70x = 233,279.55 × 66,758.10
  4. Step 4: Simplify right side
    155,519.70x = 15,573,299,526.86
  5. Step 5: Solve for x
    x = 15,573,299,526.86/155,519.70
  6. Step 6: Final answer
    x = 100,137.15

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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.