Home / 137,176.28-205,784.14-42,413.85

Finding the Fourth Proportional to 137,176.28, 205,784.14 and 42,413.85

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Solution

The fourth proportional to 137,176.28, 205,784.14 and 42,413.85 is: 63,626.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,176.28 : 205,784.14 = 42,413.85 : x
  2. Step 2: Convert to fraction form
    137,176.28/205,784.14 = 42,413.85/x
  3. Step 3: Cross multiply
    137,176.28x = 205,784.14 × 42,413.85
  4. Step 4: Simplify right side
    137,176.28x = 8,728,097,646.34
  5. Step 5: Solve for x
    x = 8,728,097,646.34/137,176.28
  6. Step 6: Final answer
    x = 63,626.87

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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.