Home / 139,252.31-208,813.66-50,502.23

Finding the Fourth Proportional to 139,252.31, 208,813.66 and 50,502.23

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Solution

The fourth proportional to 139,252.31, 208,813.66 and 50,502.23 is: 75,729.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,252.31 : 208,813.66 = 50,502.23 : x
  2. Step 2: Convert to fraction form
    139,252.31/208,813.66 = 50,502.23/x
  3. Step 3: Cross multiply
    139,252.31x = 208,813.66 × 50,502.23
  4. Step 4: Simplify right side
    139,252.31x = 10,545,555,484.46
  5. Step 5: Solve for x
    x = 10,545,555,484.46/139,252.31
  6. Step 6: Final answer
    x = 75,729.84

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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.