Home / 112,749.75-169,118.67-37,871.40

Finding the Fourth Proportional to 112,749.75, 169,118.67 and 37,871.40

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Solution

The fourth proportional to 112,749.75, 169,118.67 and 37,871.40 is: 56,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,749.75 : 169,118.67 = 37,871.40 : x
  2. Step 2: Convert to fraction form
    112,749.75/169,118.67 = 37,871.40/x
  3. Step 3: Cross multiply
    112,749.75x = 169,118.67 × 37,871.40
  4. Step 4: Simplify right side
    112,749.75x = 6,404,760,799.04
  5. Step 5: Solve for x
    x = 6,404,760,799.04/112,749.75
  6. Step 6: Final answer
    x = 56,805.10

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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.