Home / 141,130.73-211,714.86-74,573.57

Finding the Fourth Proportional to 141,130.73, 211,714.86 and 74,573.57

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Solution

The fourth proportional to 141,130.73, 211,714.86 and 74,573.57 is: 111,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,130.73 : 211,714.86 = 74,573.57 : x
  2. Step 2: Convert to fraction form
    141,130.73/211,714.86 = 74,573.57/x
  3. Step 3: Cross multiply
    141,130.73x = 211,714.86 × 74,573.57
  4. Step 4: Simplify right side
    141,130.73x = 15,788,332,932.25
  5. Step 5: Solve for x
    x = 15,788,332,932.25/141,130.73
  6. Step 6: Final answer
    x = 111,870.27

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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.