Home / 100,888.55-151,332.42-30,767.66

Finding the Fourth Proportional to 100,888.55, 151,332.42 and 30,767.66

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Solution

The fourth proportional to 100,888.55, 151,332.42 and 30,767.66 is: 46,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,888.55 : 151,332.42 = 30,767.66 : x
  2. Step 2: Convert to fraction form
    100,888.55/151,332.42 = 30,767.66/x
  3. Step 3: Cross multiply
    100,888.55x = 151,332.42 × 30,767.66
  4. Step 4: Simplify right side
    100,888.55x = 4,656,144,445.54
  5. Step 5: Solve for x
    x = 4,656,144,445.54/100,888.55
  6. Step 6: Final answer
    x = 46,151.37

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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.