Home / 340,114.08-510,171.84-90,795.36

Finding the Fourth Proportional to 340,114.08, 510,171.84 and 90,795.36

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Solution

The fourth proportional to 340,114.08, 510,171.84 and 90,795.36 is: 136,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,114.08 : 510,171.84 = 90,795.36 : x
  2. Step 2: Convert to fraction form
    340,114.08/510,171.84 = 90,795.36/x
  3. Step 3: Cross multiply
    340,114.08x = 510,171.84 × 90,795.36
  4. Step 4: Simplify right side
    340,114.08x = 46,321,235,874.66
  5. Step 5: Solve for x
    x = 46,321,235,874.66/340,114.08
  6. Step 6: Final answer
    x = 136,193.23

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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.