Home / 139,504.20-209,256.91-34,322.87

Finding the Fourth Proportional to 139,504.20, 209,256.91 and 34,322.87

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Solution

The fourth proportional to 139,504.20, 209,256.91 and 34,322.87 is: 51,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,504.20 : 209,256.91 = 34,322.87 : x
  2. Step 2: Convert to fraction form
    139,504.20/209,256.91 = 34,322.87/x
  3. Step 3: Cross multiply
    139,504.20x = 209,256.91 × 34,322.87
  4. Step 4: Simplify right side
    139,504.20x = 7,182,297,718.53
  5. Step 5: Solve for x
    x = 7,182,297,718.53/139,504.20
  6. Step 6: Final answer
    x = 51,484.46

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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.