Home / 112,005.18-167,987.52-48,789.90

Finding the Fourth Proportional to 112,005.18, 167,987.52 and 48,789.90

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Solution

The fourth proportional to 112,005.18, 167,987.52 and 48,789.90 is: 73,176.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,005.18 : 167,987.52 = 48,789.90 : x
  2. Step 2: Convert to fraction form
    112,005.18/167,987.52 = 48,789.90/x
  3. Step 3: Cross multiply
    112,005.18x = 167,987.52 × 48,789.90
  4. Step 4: Simplify right side
    112,005.18x = 8,196,094,302.05
  5. Step 5: Solve for x
    x = 8,196,094,302.05/112,005.18
  6. Step 6: Final answer
    x = 73,176.03

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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.