Home / 155,514.20-233,271.30-66,752.60

Finding the Fourth Proportional to 155,514.20, 233,271.30 and 66,752.60

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Solution

The fourth proportional to 155,514.20, 233,271.30 and 66,752.60 is: 100,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,514.20 : 233,271.30 = 66,752.60 : x
  2. Step 2: Convert to fraction form
    155,514.20/233,271.30 = 66,752.60/x
  3. Step 3: Cross multiply
    155,514.20x = 233,271.30 × 66,752.60
  4. Step 4: Simplify right side
    155,514.20x = 15,571,465,780.38
  5. Step 5: Solve for x
    x = 15,571,465,780.38/155,514.20
  6. Step 6: Final answer
    x = 100,128.90

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1.5x scale

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.