Home / 112,020.57-154,645.20-73,805.18

Finding the Fourth Proportional to 112,020.57, 154,645.20 and 73,805.18

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Solution

The fourth proportional to 112,020.57, 154,645.20 and 73,805.18 is: 101,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020.57 : 154,645.20 = 73,805.18 : x
  2. Step 2: Convert to fraction form
    112,020.57/154,645.20 = 73,805.18/x
  3. Step 3: Cross multiply
    112,020.57x = 154,645.20 × 73,805.18
  4. Step 4: Simplify right side
    112,020.57x = 11,413,616,048.91
  5. Step 5: Solve for x
    x = 11,413,616,048.91/112,020.57
  6. Step 6: Final answer
    x = 101,888.57

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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.