Home / 251,679.08-347,317.18-138,501.83

Finding the Fourth Proportional to 251,679.08, 347,317.18 and 138,501.83

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Solution

The fourth proportional to 251,679.08, 347,317.18 and 138,501.83 is: 191,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,679.08 : 347,317.18 = 138,501.83 : x
  2. Step 2: Convert to fraction form
    251,679.08/347,317.18 = 138,501.83/x
  3. Step 3: Cross multiply
    251,679.08x = 347,317.18 × 138,501.83
  4. Step 4: Simplify right side
    251,679.08x = 48,104,066,321.55
  5. Step 5: Solve for x
    x = 48,104,066,321.55/251,679.08
  6. Step 6: Final answer
    x = 191,132.56

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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.