Home / 86,430.25-129,667.25-24,100.75

Finding the Fourth Proportional to 86,430.25, 129,667.25 and 24,100.75

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Solution

The fourth proportional to 86,430.25, 129,667.25 and 24,100.75 is: 36,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,430.25 : 129,667.25 = 24,100.75 : x
  2. Step 2: Convert to fraction form
    86,430.25/129,667.25 = 24,100.75/x
  3. Step 3: Cross multiply
    86,430.25x = 129,667.25 × 24,100.75
  4. Step 4: Simplify right side
    86,430.25x = 3,125,077,975.44
  5. Step 5: Solve for x
    x = 3,125,077,975.44/86,430.25
  6. Step 6: Final answer
    x = 36,157.22

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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.