Home / 155,168.40-232,752.60-76,266.30

Finding the Fourth Proportional to 155,168.40, 232,752.60 and 76,266.30

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Solution

The fourth proportional to 155,168.40, 232,752.60 and 76,266.30 is: 114,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,168.40 : 232,752.60 = 76,266.30 : x
  2. Step 2: Convert to fraction form
    155,168.40/232,752.60 = 76,266.30/x
  3. Step 3: Cross multiply
    155,168.40x = 232,752.60 × 76,266.30
  4. Step 4: Simplify right side
    155,168.40x = 17,751,179,617.38
  5. Step 5: Solve for x
    x = 17,751,179,617.38/155,168.40
  6. Step 6: Final answer
    x = 114,399.45

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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.