Home / 70,184.22-105,291.99-20,264.46

Finding the Fourth Proportional to 70,184.22, 105,291.99 and 20,264.46

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Solution

The fourth proportional to 70,184.22, 105,291.99 and 20,264.46 is: 30,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,184.22 : 105,291.99 = 20,264.46 : x
  2. Step 2: Convert to fraction form
    70,184.22/105,291.99 = 20,264.46/x
  3. Step 3: Cross multiply
    70,184.22x = 105,291.99 × 20,264.46
  4. Step 4: Simplify right side
    70,184.22x = 2,133,685,319.68
  5. Step 5: Solve for x
    x = 2,133,685,319.68/70,184.22
  6. Step 6: Final answer
    x = 30,401.21

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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.