Home / 106,771.62-147,335.04-61,437.54

Finding the Fourth Proportional to 106,771.62, 147,335.04 and 61,437.54

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Solution

The fourth proportional to 106,771.62, 147,335.04 and 61,437.54 is: 84,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,771.62 : 147,335.04 = 61,437.54 : x
  2. Step 2: Convert to fraction form
    106,771.62/147,335.04 = 61,437.54/x
  3. Step 3: Cross multiply
    106,771.62x = 147,335.04 × 61,437.54
  4. Step 4: Simplify right side
    106,771.62x = 9,051,902,413.40
  5. Step 5: Solve for x
    x = 9,051,902,413.40/106,771.62
  6. Step 6: Final answer
    x = 84,778.17

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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.