Home / 112,204.41-154,855.79-64,457.65

Finding the Fourth Proportional to 112,204.41, 154,855.79 and 64,457.65

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Solution

The fourth proportional to 112,204.41, 154,855.79 and 64,457.65 is: 88,959.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,204.41 : 154,855.79 = 64,457.65 : x
  2. Step 2: Convert to fraction form
    112,204.41/154,855.79 = 64,457.65/x
  3. Step 3: Cross multiply
    112,204.41x = 154,855.79 × 64,457.65
  4. Step 4: Simplify right side
    112,204.41x = 9,981,640,312.29
  5. Step 5: Solve for x
    x = 9,981,640,312.29/112,204.41
  6. Step 6: Final answer
    x = 88,959.43

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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.