Home / 219,452.91-302,869.67-123,965.75

Finding the Fourth Proportional to 219,452.91, 302,869.67 and 123,965.75

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Solution

The fourth proportional to 219,452.91, 302,869.67 and 123,965.75 is: 171,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,452.91 : 302,869.67 = 123,965.75 : x
  2. Step 2: Convert to fraction form
    219,452.91/302,869.67 = 123,965.75/x
  3. Step 3: Cross multiply
    219,452.91x = 302,869.67 × 123,965.75
  4. Step 4: Simplify right side
    219,452.91x = 37,545,465,931.15
  5. Step 5: Solve for x
    x = 37,545,465,931.15/219,452.91
  6. Step 6: Final answer
    x = 171,086.67

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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.