Home / 109,111.56-163,667.32-30,225.80

Finding the Fourth Proportional to 109,111.56, 163,667.32 and 30,225.80

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Solution

The fourth proportional to 109,111.56, 163,667.32 and 30,225.80 is: 45,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,111.56 : 163,667.32 = 30,225.80 : x
  2. Step 2: Convert to fraction form
    109,111.56/163,667.32 = 30,225.80/x
  3. Step 3: Cross multiply
    109,111.56x = 163,667.32 × 30,225.80
  4. Step 4: Simplify right side
    109,111.56x = 4,946,975,680.86
  5. Step 5: Solve for x
    x = 4,946,975,680.86/109,111.56
  6. Step 6: Final answer
    x = 45,338.69

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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.