Home / 112,098.69-154,690.02-64,348.92

Finding the Fourth Proportional to 112,098.69, 154,690.02 and 64,348.92

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Solution

The fourth proportional to 112,098.69, 154,690.02 and 64,348.92 is: 88,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,098.69 : 154,690.02 = 64,348.92 : x
  2. Step 2: Convert to fraction form
    112,098.69/154,690.02 = 64,348.92/x
  3. Step 3: Cross multiply
    112,098.69x = 154,690.02 × 64,348.92
  4. Step 4: Simplify right side
    112,098.69x = 9,954,135,721.78
  5. Step 5: Solve for x
    x = 9,954,135,721.78/112,098.69
  6. Step 6: Final answer
    x = 88,797.97

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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.