Home / 87,162.08-130,413.11-51,642.43

Finding the Fourth Proportional to 87,162.08, 130,413.11 and 51,642.43

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Solution

The fourth proportional to 87,162.08, 130,413.11 and 51,642.43 is: 77,268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,162.08 : 130,413.11 = 51,642.43 : x
  2. Step 2: Convert to fraction form
    87,162.08/130,413.11 = 51,642.43/x
  3. Step 3: Cross multiply
    87,162.08x = 130,413.11 × 51,642.43
  4. Step 4: Simplify right side
    87,162.08x = 6,734,849,320.01
  5. Step 5: Solve for x
    x = 6,734,849,320.01/87,162.08
  6. Step 6: Final answer
    x = 77,268.12

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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.