Home / 112,974.14-155,888.10-67,641.26

Finding the Fourth Proportional to 112,974.14, 155,888.10 and 67,641.26

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Solution

The fourth proportional to 112,974.14, 155,888.10 and 67,641.26 is: 93,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,974.14 : 155,888.10 = 67,641.26 : x
  2. Step 2: Convert to fraction form
    112,974.14/155,888.10 = 67,641.26/x
  3. Step 3: Cross multiply
    112,974.14x = 155,888.10 × 67,641.26
  4. Step 4: Simplify right side
    112,974.14x = 10,544,467,503.01
  5. Step 5: Solve for x
    x = 10,544,467,503.01/112,974.14
  6. Step 6: Final answer
    x = 93,335.23

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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.