Home / 112,841.33-155,722.79-67,521.23

Finding the Fourth Proportional to 112,841.33, 155,722.79 and 67,521.23

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Solution

The fourth proportional to 112,841.33, 155,722.79 and 67,521.23 is: 93,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,841.33 : 155,722.79 = 67,521.23 : x
  2. Step 2: Convert to fraction form
    112,841.33/155,722.79 = 67,521.23/x
  3. Step 3: Cross multiply
    112,841.33x = 155,722.79 × 67,521.23
  4. Step 4: Simplify right side
    112,841.33x = 10,514,593,710.02
  5. Step 5: Solve for x
    x = 10,514,593,710.02/112,841.33
  6. Step 6: Final answer
    x = 93,180.34

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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.