Home / 109,020.62-163,529.31-30,133.10

Finding the Fourth Proportional to 109,020.62, 163,529.31 and 30,133.10

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Solution

The fourth proportional to 109,020.62, 163,529.31 and 30,133.10 is: 45,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,020.62 : 163,529.31 = 30,133.10 : x
  2. Step 2: Convert to fraction form
    109,020.62/163,529.31 = 30,133.10/x
  3. Step 3: Cross multiply
    109,020.62x = 163,529.31 × 30,133.10
  4. Step 4: Simplify right side
    109,020.62x = 4,927,645,051.16
  5. Step 5: Solve for x
    x = 4,927,645,051.16/109,020.62
  6. Step 6: Final answer
    x = 45,199.20

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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.