Home / 112,371.70-168,557.55-103,818.10

Finding the Fourth Proportional to 112,371.70, 168,557.55 and 103,818.10

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Solution

The fourth proportional to 112,371.70, 168,557.55 and 103,818.10 is: 155,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371.70 : 168,557.55 = 103,818.10 : x
  2. Step 2: Convert to fraction form
    112,371.70/168,557.55 = 103,818.10/x
  3. Step 3: Cross multiply
    112,371.70x = 168,557.55 × 103,818.10
  4. Step 4: Simplify right side
    112,371.70x = 17,499,324,581.66
  5. Step 5: Solve for x
    x = 17,499,324,581.66/112,371.70
  6. Step 6: Final answer
    x = 155,727.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.