Home / 165,645.65-247,977.60-102,261.96

Finding the Fourth Proportional to 165,645.65, 247,977.60 and 102,261.96

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Solution

The fourth proportional to 165,645.65, 247,977.60 and 102,261.96 is: 153,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,645.65 : 247,977.60 = 102,261.96 : x
  2. Step 2: Convert to fraction form
    165,645.65/247,977.60 = 102,261.96/x
  3. Step 3: Cross multiply
    165,645.65x = 247,977.60 × 102,261.96
  4. Step 4: Simplify right side
    165,645.65x = 25,358,675,412.10
  5. Step 5: Solve for x
    x = 25,358,675,412.10/165,645.65
  6. Step 6: Final answer
    x = 153,089.90

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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.