Home / 109,189.62-163,456.38-97,783.20

Finding the Fourth Proportional to 109,189.62, 163,456.38 and 97,783.20

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Solution

The fourth proportional to 109,189.62, 163,456.38 and 97,783.20 is: 146,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,189.62 : 163,456.38 = 97,783.20 : x
  2. Step 2: Convert to fraction form
    109,189.62/163,456.38 = 97,783.20/x
  3. Step 3: Cross multiply
    109,189.62x = 163,456.38 × 97,783.20
  4. Step 4: Simplify right side
    109,189.62x = 15,983,287,896.82
  5. Step 5: Solve for x
    x = 15,983,287,896.82/109,189.62
  6. Step 6: Final answer
    x = 146,381.02

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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.