Home / 132,413.32-182,728.20-71,985.46

Finding the Fourth Proportional to 132,413.32, 182,728.20 and 71,985.46

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Solution

The fourth proportional to 132,413.32, 182,728.20 and 71,985.46 is: 99,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,413.32 : 182,728.20 = 71,985.46 : x
  2. Step 2: Convert to fraction form
    132,413.32/182,728.20 = 71,985.46/x
  3. Step 3: Cross multiply
    132,413.32x = 182,728.20 × 71,985.46
  4. Step 4: Simplify right side
    132,413.32x = 13,153,773,531.97
  5. Step 5: Solve for x
    x = 13,153,773,531.97/132,413.32
  6. Step 6: Final answer
    x = 99,338.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.