Home / 100,888.43-151,332.23-30,767.54

Finding the Fourth Proportional to 100,888.43, 151,332.23 and 30,767.54

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Solution

The fourth proportional to 100,888.43, 151,332.23 and 30,767.54 is: 46,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,888.43 : 151,332.23 = 30,767.54 : x
  2. Step 2: Convert to fraction form
    100,888.43/151,332.23 = 30,767.54/x
  3. Step 3: Cross multiply
    100,888.43x = 151,332.23 × 30,767.54
  4. Step 4: Simplify right side
    100,888.43x = 4,656,120,439.81
  5. Step 5: Solve for x
    x = 4,656,120,439.81/100,888.43
  6. Step 6: Final answer
    x = 46,151.18

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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.