Home / 109,006.20-163,509.30-94,231.80

Finding the Fourth Proportional to 109,006.20, 163,509.30 and 94,231.80

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Solution

The fourth proportional to 109,006.20, 163,509.30 and 94,231.80 is: 141,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,006.20 : 163,509.30 = 94,231.80 : x
  2. Step 2: Convert to fraction form
    109,006.20/163,509.30 = 94,231.80/x
  3. Step 3: Cross multiply
    109,006.20x = 163,509.30 × 94,231.80
  4. Step 4: Simplify right side
    109,006.20x = 15,407,775,655.74
  5. Step 5: Solve for x
    x = 15,407,775,655.74/109,006.20
  6. Step 6: Final answer
    x = 141,347.70

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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.