Home / 147,069.96-220,625.28-47,206.68

Finding the Fourth Proportional to 147,069.96, 220,625.28 and 47,206.68

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Solution

The fourth proportional to 147,069.96, 220,625.28 and 47,206.68 is: 70,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,069.96 : 220,625.28 = 47,206.68 : x
  2. Step 2: Convert to fraction form
    147,069.96/220,625.28 = 47,206.68/x
  3. Step 3: Cross multiply
    147,069.96x = 220,625.28 × 47,206.68
  4. Step 4: Simplify right side
    147,069.96x = 10,414,986,992.87
  5. Step 5: Solve for x
    x = 10,414,986,992.87/147,069.96
  6. Step 6: Final answer
    x = 70,816.55

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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.