Home / 155,502.32-233,319.09-76,617.32

Finding the Fourth Proportional to 155,502.32, 233,319.09 and 76,617.32

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Solution

The fourth proportional to 155,502.32, 233,319.09 and 76,617.32 is: 114,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,502.32 : 233,319.09 = 76,617.32 : x
  2. Step 2: Convert to fraction form
    155,502.32/233,319.09 = 76,617.32/x
  3. Step 3: Cross multiply
    155,502.32x = 233,319.09 × 76,617.32
  4. Step 4: Simplify right side
    155,502.32x = 17,876,283,380.64
  5. Step 5: Solve for x
    x = 17,876,283,380.64/155,502.32
  6. Step 6: Final answer
    x = 114,958.31

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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.