Home / 99,101.75-136,767.15-56,081.27

Finding the Fourth Proportional to 99,101.75, 136,767.15 and 56,081.27

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Solution

The fourth proportional to 99,101.75, 136,767.15 and 56,081.27 is: 77,395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,101.75 : 136,767.15 = 56,081.27 : x
  2. Step 2: Convert to fraction form
    99,101.75/136,767.15 = 56,081.27/x
  3. Step 3: Cross multiply
    99,101.75x = 136,767.15 × 56,081.27
  4. Step 4: Simplify right side
    99,101.75x = 7,670,074,782.44
  5. Step 5: Solve for x
    x = 7,670,074,782.44/99,101.75
  6. Step 6: Final answer
    x = 77,395.96

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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.