Home / 112,369.82-155,017.05-76,084.52

Finding the Fourth Proportional to 112,369.82, 155,017.05 and 76,084.52

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Solution

The fourth proportional to 112,369.82, 155,017.05 and 76,084.52 is: 104,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,369.82 : 155,017.05 = 76,084.52 : x
  2. Step 2: Convert to fraction form
    112,369.82/155,017.05 = 76,084.52/x
  3. Step 3: Cross multiply
    112,369.82x = 155,017.05 × 76,084.52
  4. Step 4: Simplify right side
    112,369.82x = 11,794,397,841.07
  5. Step 5: Solve for x
    x = 11,794,397,841.07/112,369.82
  6. Step 6: Final answer
    x = 104,960.55

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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.