Home / 70,184.06-105,244.81-20,252.30

Finding the Fourth Proportional to 70,184.06, 105,244.81 and 20,252.30

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Solution

The fourth proportional to 70,184.06, 105,244.81 and 20,252.30 is: 30,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,184.06 : 105,244.81 = 20,252.30 : x
  2. Step 2: Convert to fraction form
    70,184.06/105,244.81 = 20,252.30/x
  3. Step 3: Cross multiply
    70,184.06x = 105,244.81 × 20,252.30
  4. Step 4: Simplify right side
    70,184.06x = 2,131,448,888.71
  5. Step 5: Solve for x
    x = 2,131,448,888.71/70,184.06
  6. Step 6: Final answer
    x = 30,369.42

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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.