Home / 245,455.11-367,592.17-139,954.23

Finding the Fourth Proportional to 245,455.11, 367,592.17 and 139,954.23

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Solution

The fourth proportional to 245,455.11, 367,592.17 and 139,954.23 is: 209,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,455.11 : 367,592.17 = 139,954.23 : x
  2. Step 2: Convert to fraction form
    245,455.11/367,592.17 = 139,954.23/x
  3. Step 3: Cross multiply
    245,455.11x = 367,592.17 × 139,954.23
  4. Step 4: Simplify right side
    245,455.11x = 51,446,079,106.38
  5. Step 5: Solve for x
    x = 51,446,079,106.38/245,455.11
  6. Step 6: Final answer
    x = 209,594.66

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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.