Home / 155,224.40-232,729.12-79,175.34

Finding the Fourth Proportional to 155,224.40, 232,729.12 and 79,175.34

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Solution

The fourth proportional to 155,224.40, 232,729.12 and 79,175.34 is: 118,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,224.40 : 232,729.12 = 79,175.34 : x
  2. Step 2: Convert to fraction form
    155,224.40/232,729.12 = 79,175.34/x
  3. Step 3: Cross multiply
    155,224.40x = 232,729.12 × 79,175.34
  4. Step 4: Simplify right side
    155,224.40x = 18,426,407,203.90
  5. Step 5: Solve for x
    x = 18,426,407,203.90/155,224.40
  6. Step 6: Final answer
    x = 118,708.19

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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.