Home / 215,971.61-324,055.88-110,864.45

Finding the Fourth Proportional to 215,971.61, 324,055.88 and 110,864.45

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Solution

The fourth proportional to 215,971.61, 324,055.88 and 110,864.45 is: 166,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,971.61 : 324,055.88 = 110,864.45 : x
  2. Step 2: Convert to fraction form
    215,971.61/324,055.88 = 110,864.45/x
  3. Step 3: Cross multiply
    215,971.61x = 324,055.88 × 110,864.45
  4. Step 4: Simplify right side
    215,971.61x = 35,926,274,730.86
  5. Step 5: Solve for x
    x = 35,926,274,730.86/215,971.61
  6. Step 6: Final answer
    x = 166,347.21

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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.