Home / 150,939-208,172.22-93,538.44

Finding the Fourth Proportional to 150,939, 208,172.22 and 93,538.44

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Solution

The fourth proportional to 150,939, 208,172.22 and 93,538.44 is: 129,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,939 : 208,172.22 = 93,538.44 : x
  2. Step 2: Convert to fraction form
    150,939/208,172.22 = 93,538.44/x
  3. Step 3: Cross multiply
    150,939x = 208,172.22 × 93,538.44
  4. Step 4: Simplify right side
    150,939x = 19,472,104,710.14
  5. Step 5: Solve for x
    x = 19,472,104,710.14/150,939
  6. Step 6: Final answer
    x = 129,006.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.