Home / 100,438.34-150,699.75-62,519.31

Finding the Fourth Proportional to 100,438.34, 150,699.75 and 62,519.31

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Solution

The fourth proportional to 100,438.34, 150,699.75 and 62,519.31 is: 93,805.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,438.34 : 150,699.75 = 62,519.31 : x
  2. Step 2: Convert to fraction form
    100,438.34/150,699.75 = 62,519.31/x
  3. Step 3: Cross multiply
    100,438.34x = 150,699.75 × 62,519.31
  4. Step 4: Simplify right side
    100,438.34x = 9,421,644,152.73
  5. Step 5: Solve for x
    x = 9,421,644,152.73/100,438.34
  6. Step 6: Final answer
    x = 93,805.26

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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.