Home / 154,174.44-212,762.19-90,513.30

Finding the Fourth Proportional to 154,174.44, 212,762.19 and 90,513.30

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Solution

The fourth proportional to 154,174.44, 212,762.19 and 90,513.30 is: 124,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,174.44 : 212,762.19 = 90,513.30 : x
  2. Step 2: Convert to fraction form
    154,174.44/212,762.19 = 90,513.30/x
  3. Step 3: Cross multiply
    154,174.44x = 212,762.19 × 90,513.30
  4. Step 4: Simplify right side
    154,174.44x = 19,257,807,932.13
  5. Step 5: Solve for x
    x = 19,257,807,932.13/154,174.44
  6. Step 6: Final answer
    x = 124,909.21

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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.