Home / 155,512.90-233,515.40-118,115.20

Finding the Fourth Proportional to 155,512.90, 233,515.40 and 118,115.20

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Solution

The fourth proportional to 155,512.90, 233,515.40 and 118,115.20 is: 177,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,512.90 : 233,515.40 = 118,115.20 : x
  2. Step 2: Convert to fraction form
    155,512.90/233,515.40 = 118,115.20/x
  3. Step 3: Cross multiply
    155,512.90x = 233,515.40 × 118,115.20
  4. Step 4: Simplify right side
    155,512.90x = 27,581,718,174.08
  5. Step 5: Solve for x
    x = 27,581,718,174.08/155,512.90
  6. Step 6: Final answer
    x = 177,359.68

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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.