Home / 155,499.60-233,249.40-76,767.60

Finding the Fourth Proportional to 155,499.60, 233,249.40 and 76,767.60

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Solution

The fourth proportional to 155,499.60, 233,249.40 and 76,767.60 is: 115,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,499.60 : 233,249.40 = 76,767.60 : x
  2. Step 2: Convert to fraction form
    155,499.60/233,249.40 = 76,767.60/x
  3. Step 3: Cross multiply
    155,499.60x = 233,249.40 × 76,767.60
  4. Step 4: Simplify right side
    155,499.60x = 17,905,996,639.44
  5. Step 5: Solve for x
    x = 17,905,996,639.44/155,499.60
  6. Step 6: Final answer
    x = 115,151.40

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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.