Home / 109,207.04-163,813.76-30,327.04

Finding the Fourth Proportional to 109,207.04, 163,813.76 and 30,327.04

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Solution

The fourth proportional to 109,207.04, 163,813.76 and 30,327.04 is: 45,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,207.04 : 163,813.76 = 30,327.04 : x
  2. Step 2: Convert to fraction form
    109,207.04/163,813.76 = 30,327.04/x
  3. Step 3: Cross multiply
    109,207.04x = 163,813.76 × 30,327.04
  4. Step 4: Simplify right side
    109,207.04x = 4,967,986,452.07
  5. Step 5: Solve for x
    x = 4,967,986,452.07/109,207.04
  6. Step 6: Final answer
    x = 45,491.45

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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.