Home / 139,048.28-208,561.54-39,204.44

Finding the Fourth Proportional to 139,048.28, 208,561.54 and 39,204.44

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Solution

The fourth proportional to 139,048.28, 208,561.54 and 39,204.44 is: 58,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,048.28 : 208,561.54 = 39,204.44 : x
  2. Step 2: Convert to fraction form
    139,048.28/208,561.54 = 39,204.44/x
  3. Step 3: Cross multiply
    139,048.28x = 208,561.54 × 39,204.44
  4. Step 4: Simplify right side
    139,048.28x = 8,176,538,381.24
  5. Step 5: Solve for x
    x = 8,176,538,381.24/139,048.28
  6. Step 6: Final answer
    x = 58,803.59

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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.