Home / 135,079.38-186,413.26-74,653.93

Finding the Fourth Proportional to 135,079.38, 186,413.26 and 74,653.93

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Solution

The fourth proportional to 135,079.38, 186,413.26 and 74,653.93 is: 103,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,079.38 : 186,413.26 = 74,653.93 : x
  2. Step 2: Convert to fraction form
    135,079.38/186,413.26 = 74,653.93/x
  3. Step 3: Cross multiply
    135,079.38x = 186,413.26 × 74,653.93
  4. Step 4: Simplify right side
    135,079.38x = 13,916,482,463.11
  5. Step 5: Solve for x
    x = 13,916,482,463.11/135,079.38
  6. Step 6: Final answer
    x = 103,024.48

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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.