Home / 86,910.86-130,388.16-24,581.36

Finding the Fourth Proportional to 86,910.86, 130,388.16 and 24,581.36

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Solution

The fourth proportional to 86,910.86, 130,388.16 and 24,581.36 is: 36,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,910.86 : 130,388.16 = 24,581.36 : x
  2. Step 2: Convert to fraction form
    86,910.86/130,388.16 = 24,581.36/x
  3. Step 3: Cross multiply
    86,910.86x = 130,388.16 × 24,581.36
  4. Step 4: Simplify right side
    86,910.86x = 3,205,118,300.70
  5. Step 5: Solve for x
    x = 3,205,118,300.70/86,910.86
  6. Step 6: Final answer
    x = 36,878.23

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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.