Home / 86,445.23-129,667.64-24,115.73

Finding the Fourth Proportional to 86,445.23, 129,667.64 and 24,115.73

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Solution

The fourth proportional to 86,445.23, 129,667.64 and 24,115.73 is: 36,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,445.23 : 129,667.64 = 24,115.73 : x
  2. Step 2: Convert to fraction form
    86,445.23/129,667.64 = 24,115.73/x
  3. Step 3: Cross multiply
    86,445.23x = 129,667.64 × 24,115.73
  4. Step 4: Simplify right side
    86,445.23x = 3,127,029,027.06
  5. Step 5: Solve for x
    x = 3,127,029,027.06/86,445.23
  6. Step 6: Final answer
    x = 36,173.53

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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.