Home / 110,388.48-165,565.98-40,267.86

Finding the Fourth Proportional to 110,388.48, 165,565.98 and 40,267.86

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Solution

The fourth proportional to 110,388.48, 165,565.98 and 40,267.86 is: 60,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,388.48 : 165,565.98 = 40,267.86 : x
  2. Step 2: Convert to fraction form
    110,388.48/165,565.98 = 40,267.86/x
  3. Step 3: Cross multiply
    110,388.48x = 165,565.98 × 40,267.86
  4. Step 4: Simplify right side
    110,388.48x = 6,666,987,703.40
  5. Step 5: Solve for x
    x = 6,666,987,703.40/110,388.48
  6. Step 6: Final answer
    x = 60,395.68

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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.