Home / 112,147.12-154,757.82-64,366.84

Finding the Fourth Proportional to 112,147.12, 154,757.82 and 64,366.84

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Solution

The fourth proportional to 112,147.12, 154,757.82 and 64,366.84 is: 88,823.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,147.12 : 154,757.82 = 64,366.84 : x
  2. Step 2: Convert to fraction form
    112,147.12/154,757.82 = 64,366.84/x
  3. Step 3: Cross multiply
    112,147.12x = 154,757.82 × 64,366.84
  4. Step 4: Simplify right side
    112,147.12x = 9,961,271,838.69
  5. Step 5: Solve for x
    x = 9,961,271,838.69/112,147.12
  6. Step 6: Final answer
    x = 88,823.25

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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.