Home / 155,175.40-232,763.10-84,316.60

Finding the Fourth Proportional to 155,175.40, 232,763.10 and 84,316.60

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Solution

The fourth proportional to 155,175.40, 232,763.10 and 84,316.60 is: 126,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,175.40 : 232,763.10 = 84,316.60 : x
  2. Step 2: Convert to fraction form
    155,175.40/232,763.10 = 84,316.60/x
  3. Step 3: Cross multiply
    155,175.40x = 232,763.10 × 84,316.60
  4. Step 4: Simplify right side
    155,175.40x = 19,625,793,197.46
  5. Step 5: Solve for x
    x = 19,625,793,197.46/155,175.40
  6. Step 6: Final answer
    x = 126,474.90

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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.