Home / 104,262.13-143,877.88-56,514.45

Finding the Fourth Proportional to 104,262.13, 143,877.88 and 56,514.45

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Solution

The fourth proportional to 104,262.13, 143,877.88 and 56,514.45 is: 77,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,262.13 : 143,877.88 = 56,514.45 : x
  2. Step 2: Convert to fraction form
    104,262.13/143,877.88 = 56,514.45/x
  3. Step 3: Cross multiply
    104,262.13x = 143,877.88 × 56,514.45
  4. Step 4: Simplify right side
    104,262.13x = 8,131,179,301.95
  5. Step 5: Solve for x
    x = 8,131,179,301.95/104,262.13
  6. Step 6: Final answer
    x = 77,987.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.