Home / 215,413.76-297,280.80-119,926.52

Finding the Fourth Proportional to 215,413.76, 297,280.80 and 119,926.52

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Solution

The fourth proportional to 215,413.76, 297,280.80 and 119,926.52 is: 165,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,413.76 : 297,280.80 = 119,926.52 : x
  2. Step 2: Convert to fraction form
    215,413.76/297,280.80 = 119,926.52/x
  3. Step 3: Cross multiply
    215,413.76x = 297,280.80 × 119,926.52
  4. Step 4: Simplify right side
    215,413.76x = 35,651,851,806.82
  5. Step 5: Solve for x
    x = 35,651,851,806.82/215,413.76
  6. Step 6: Final answer
    x = 165,504.06

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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.