Home / 165,089.60-247,634.40-40,430.60

Finding the Fourth Proportional to 165,089.60, 247,634.40 and 40,430.60

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Solution

The fourth proportional to 165,089.60, 247,634.40 and 40,430.60 is: 60,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,089.60 : 247,634.40 = 40,430.60 : x
  2. Step 2: Convert to fraction form
    165,089.60/247,634.40 = 40,430.60/x
  3. Step 3: Cross multiply
    165,089.60x = 247,634.40 × 40,430.60
  4. Step 4: Simplify right side
    165,089.60x = 10,012,007,372.64
  5. Step 5: Solve for x
    x = 10,012,007,372.64/165,089.60
  6. Step 6: Final answer
    x = 60,645.90

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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.