Home / 220,233.87-303,870.47-129,593.79

Finding the Fourth Proportional to 220,233.87, 303,870.47 and 129,593.79

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Solution

The fourth proportional to 220,233.87, 303,870.47 and 129,593.79 is: 178,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,233.87 : 303,870.47 = 129,593.79 : x
  2. Step 2: Convert to fraction form
    220,233.87/303,870.47 = 129,593.79/x
  3. Step 3: Cross multiply
    220,233.87x = 303,870.47 × 129,593.79
  4. Step 4: Simplify right side
    220,233.87x = 39,379,725,228.41
  5. Step 5: Solve for x
    x = 39,379,725,228.41/220,233.87
  6. Step 6: Final answer
    x = 178,808.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.