Home / 112,150.68-154,780.92-64,386.60

Finding the Fourth Proportional to 112,150.68, 154,780.92 and 64,386.60

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Solution

The fourth proportional to 112,150.68, 154,780.92 and 64,386.60 is: 88,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,150.68 : 154,780.92 = 64,386.60 : x
  2. Step 2: Convert to fraction form
    112,150.68/154,780.92 = 64,386.60/x
  3. Step 3: Cross multiply
    112,150.68x = 154,780.92 × 64,386.60
  4. Step 4: Simplify right side
    112,150.68x = 9,965,817,183.67
  5. Step 5: Solve for x
    x = 9,965,817,183.67/112,150.68
  6. Step 6: Final answer
    x = 88,860.96

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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.