Home / 112,207.76-154,794.56-66,860.31

Finding the Fourth Proportional to 112,207.76, 154,794.56 and 66,860.31

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Solution

The fourth proportional to 112,207.76, 154,794.56 and 66,860.31 is: 92,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,207.76 : 154,794.56 = 66,860.31 : x
  2. Step 2: Convert to fraction form
    112,207.76/154,794.56 = 66,860.31/x
  3. Step 3: Cross multiply
    112,207.76x = 154,794.56 × 66,860.31
  4. Step 4: Simplify right side
    112,207.76x = 10,349,611,933.61
  5. Step 5: Solve for x
    x = 10,349,611,933.61/112,207.76
  6. Step 6: Final answer
    x = 92,236.16

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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.