Home / 95,531.74-143,079.09-45,646.90

Finding the Fourth Proportional to 95,531.74, 143,079.09 and 45,646.90

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Solution

The fourth proportional to 95,531.74, 143,079.09 and 45,646.90 is: 68,365.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,531.74 : 143,079.09 = 45,646.90 : x
  2. Step 2: Convert to fraction form
    95,531.74/143,079.09 = 45,646.90/x
  3. Step 3: Cross multiply
    95,531.74x = 143,079.09 × 45,646.90
  4. Step 4: Simplify right side
    95,531.74x = 6,531,116,913.32
  5. Step 5: Solve for x
    x = 6,531,116,913.32/95,531.74
  6. Step 6: Final answer
    x = 68,365.94

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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.