Home / 155,151.11-232,509.69-83,919.92

Finding the Fourth Proportional to 155,151.11, 232,509.69 and 83,919.92

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Solution

The fourth proportional to 155,151.11, 232,509.69 and 83,919.92 is: 125,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,151.11 : 232,509.69 = 83,919.92 : x
  2. Step 2: Convert to fraction form
    155,151.11/232,509.69 = 83,919.92/x
  3. Step 3: Cross multiply
    155,151.11x = 232,509.69 × 83,919.92
  4. Step 4: Simplify right side
    155,151.11x = 19,512,193,001.88
  5. Step 5: Solve for x
    x = 19,512,193,001.88/155,151.11
  6. Step 6: Final answer
    x = 125,762.51

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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.