Home / 155,101.51-232,668.45-42,781.75

Finding the Fourth Proportional to 155,101.51, 232,668.45 and 42,781.75

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Solution

The fourth proportional to 155,101.51, 232,668.45 and 42,781.75 is: 64,177.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,101.51 : 232,668.45 = 42,781.75 : x
  2. Step 2: Convert to fraction form
    155,101.51/232,668.45 = 42,781.75/x
  3. Step 3: Cross multiply
    155,101.51x = 232,668.45 × 42,781.75
  4. Step 4: Simplify right side
    155,101.51x = 9,953,962,879.12
  5. Step 5: Solve for x
    x = 9,953,962,879.12/155,101.51
  6. Step 6: Final answer
    x = 64,177.09

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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.