Home / 155,455.20-232,891.20-144,957.60

Finding the Fourth Proportional to 155,455.20, 232,891.20 and 144,957.60

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Solution

The fourth proportional to 155,455.20, 232,891.20 and 144,957.60 is: 217,164.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,455.20 : 232,891.20 = 144,957.60 : x
  2. Step 2: Convert to fraction form
    155,455.20/232,891.20 = 144,957.60/x
  3. Step 3: Cross multiply
    155,455.20x = 232,891.20 × 144,957.60
  4. Step 4: Simplify right side
    155,455.20x = 33,759,349,413.12
  5. Step 5: Solve for x
    x = 33,759,349,413.12/155,455.20
  6. Step 6: Final answer
    x = 217,164.49

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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.