Home / 110,766.86-152,856.30-63,019.19

Finding the Fourth Proportional to 110,766.86, 152,856.30 and 63,019.19

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Solution

The fourth proportional to 110,766.86, 152,856.30 and 63,019.19 is: 86,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,766.86 : 152,856.30 = 63,019.19 : x
  2. Step 2: Convert to fraction form
    110,766.86/152,856.30 = 63,019.19/x
  3. Step 3: Cross multiply
    110,766.86x = 152,856.30 × 63,019.19
  4. Step 4: Simplify right side
    110,766.86x = 9,632,879,448.12
  5. Step 5: Solve for x
    x = 9,632,879,448.12/110,766.86
  6. Step 6: Final answer
    x = 86,965.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.