Home / 112,304.88-154,994.32-63,918.57

Finding the Fourth Proportional to 112,304.88, 154,994.32 and 63,918.57

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Solution

The fourth proportional to 112,304.88, 154,994.32 and 63,918.57 is: 88,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,304.88 : 154,994.32 = 63,918.57 : x
  2. Step 2: Convert to fraction form
    112,304.88/154,994.32 = 63,918.57/x
  3. Step 3: Cross multiply
    112,304.88x = 154,994.32 × 63,918.57
  4. Step 4: Simplify right side
    112,304.88x = 9,907,015,452.32
  5. Step 5: Solve for x
    x = 9,907,015,452.32/112,304.88
  6. Step 6: Final answer
    x = 88,215.36

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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.