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Finding the Fourth Proportional to 167,801.20, 251,045.70 and 108,752.20

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Solution

The fourth proportional to 167,801.20, 251,045.70 and 108,752.20 is: 162,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,801.20 : 251,045.70 = 108,752.20 : x
  2. Step 2: Convert to fraction form
    167,801.20/251,045.70 = 108,752.20/x
  3. Step 3: Cross multiply
    167,801.20x = 251,045.70 × 108,752.20
  4. Step 4: Simplify right side
    167,801.20x = 27,301,772,175.54
  5. Step 5: Solve for x
    x = 27,301,772,175.54/167,801.20
  6. Step 6: Final answer
    x = 162,703.08

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1.5x scale

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.