Home / 110,671.20-165,988.98-31,767.48

Finding the Fourth Proportional to 110,671.20, 165,988.98 and 31,767.48

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Solution

The fourth proportional to 110,671.20, 165,988.98 and 31,767.48 is: 47,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,671.20 : 165,988.98 = 31,767.48 : x
  2. Step 2: Convert to fraction form
    110,671.20/165,988.98 = 31,767.48/x
  3. Step 3: Cross multiply
    110,671.20x = 165,988.98 × 31,767.48
  4. Step 4: Simplify right side
    110,671.20x = 5,273,051,602.37
  5. Step 5: Solve for x
    x = 5,273,051,602.37/110,671.20
  6. Step 6: Final answer
    x = 47,646.10

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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.