Home / 253,579.76-349,951-140,402.52

Finding the Fourth Proportional to 253,579.76, 349,951 and 140,402.52

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Solution

The fourth proportional to 253,579.76, 349,951 and 140,402.52 is: 193,761.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,579.76 : 349,951 = 140,402.52 : x
  2. Step 2: Convert to fraction form
    253,579.76/349,951 = 140,402.52/x
  3. Step 3: Cross multiply
    253,579.76x = 349,951 × 140,402.52
  4. Step 4: Simplify right side
    253,579.76x = 49,134,002,276.52
  5. Step 5: Solve for x
    x = 49,134,002,276.52/253,579.76
  6. Step 6: Final answer
    x = 193,761.53

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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.