Home / 165,878.20-248,817.30-95,721.40

Finding the Fourth Proportional to 165,878.20, 248,817.30 and 95,721.40

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Solution

The fourth proportional to 165,878.20, 248,817.30 and 95,721.40 is: 143,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,878.20 : 248,817.30 = 95,721.40 : x
  2. Step 2: Convert to fraction form
    165,878.20/248,817.30 = 95,721.40/x
  3. Step 3: Cross multiply
    165,878.20x = 248,817.30 × 95,721.40
  4. Step 4: Simplify right side
    165,878.20x = 23,817,140,300.22
  5. Step 5: Solve for x
    x = 23,817,140,300.22/165,878.20
  6. Step 6: Final answer
    x = 143,582.10

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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.