Home / 112,531.78-168,710.01-56,342.96

Finding the Fourth Proportional to 112,531.78, 168,710.01 and 56,342.96

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Solution

The fourth proportional to 112,531.78, 168,710.01 and 56,342.96 is: 84,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,531.78 : 168,710.01 = 56,342.96 : x
  2. Step 2: Convert to fraction form
    112,531.78/168,710.01 = 56,342.96/x
  3. Step 3: Cross multiply
    112,531.78x = 168,710.01 × 56,342.96
  4. Step 4: Simplify right side
    112,531.78x = 9,505,620,290.19
  5. Step 5: Solve for x
    x = 9,505,620,290.19/112,531.78
  6. Step 6: Final answer
    x = 84,470.54

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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.