Home / 86,908.86-130,385.16-24,579.36

Finding the Fourth Proportional to 86,908.86, 130,385.16 and 24,579.36

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Solution

The fourth proportional to 86,908.86, 130,385.16 and 24,579.36 is: 36,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,908.86 : 130,385.16 = 24,579.36 : x
  2. Step 2: Convert to fraction form
    86,908.86/130,385.16 = 24,579.36/x
  3. Step 3: Cross multiply
    86,908.86x = 130,385.16 × 24,579.36
  4. Step 4: Simplify right side
    86,908.86x = 3,204,783,786.30
  5. Step 5: Solve for x
    x = 3,204,783,786.30/86,908.86
  6. Step 6: Final answer
    x = 36,875.23

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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.