Home / 139,818.24-209,732.63-38,626.56

Finding the Fourth Proportional to 139,818.24, 209,732.63 and 38,626.56

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Solution

The fourth proportional to 139,818.24, 209,732.63 and 38,626.56 is: 57,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,818.24 : 209,732.63 = 38,626.56 : x
  2. Step 2: Convert to fraction form
    139,818.24/209,732.63 = 38,626.56/x
  3. Step 3: Cross multiply
    139,818.24x = 209,732.63 × 38,626.56
  4. Step 4: Simplify right side
    139,818.24x = 8,101,249,823.52
  5. Step 5: Solve for x
    x = 8,101,249,823.52/139,818.24
  6. Step 6: Final answer
    x = 57,941.29

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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.