Home / 100,455.85-150,686.04-25,575.71

Finding the Fourth Proportional to 100,455.85, 150,686.04 and 25,575.71

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Solution

The fourth proportional to 100,455.85, 150,686.04 and 25,575.71 is: 38,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,455.85 : 150,686.04 = 25,575.71 : x
  2. Step 2: Convert to fraction form
    100,455.85/150,686.04 = 25,575.71/x
  3. Step 3: Cross multiply
    100,455.85x = 150,686.04 × 25,575.71
  4. Step 4: Simplify right side
    100,455.85x = 3,853,902,460.09
  5. Step 5: Solve for x
    x = 3,853,902,460.09/100,455.85
  6. Step 6: Final answer
    x = 38,364.14

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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.