Home / 155,005.80-232,530.30-66,258.60

Finding the Fourth Proportional to 155,005.80, 232,530.30 and 66,258.60

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Solution

The fourth proportional to 155,005.80, 232,530.30 and 66,258.60 is: 99,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,005.80 : 232,530.30 = 66,258.60 : x
  2. Step 2: Convert to fraction form
    155,005.80/232,530.30 = 66,258.60/x
  3. Step 3: Cross multiply
    155,005.80x = 232,530.30 × 66,258.60
  4. Step 4: Simplify right side
    155,005.80x = 15,407,132,135.58
  5. Step 5: Solve for x
    x = 15,407,132,135.58/155,005.80
  6. Step 6: Final answer
    x = 99,397.13

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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.