Home / 251,544.48-347,156.82-144,128.76

Finding the Fourth Proportional to 251,544.48, 347,156.82 and 144,128.76

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Solution

The fourth proportional to 251,544.48, 347,156.82 and 144,128.76 is: 198,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,544.48 : 347,156.82 = 144,128.76 : x
  2. Step 2: Convert to fraction form
    251,544.48/347,156.82 = 144,128.76/x
  3. Step 3: Cross multiply
    251,544.48x = 347,156.82 × 144,128.76
  4. Step 4: Simplify right side
    251,544.48x = 50,035,281,992.14
  5. Step 5: Solve for x
    x = 50,035,281,992.14/251,544.48
  6. Step 6: Final answer
    x = 198,912.26

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1.5x scale

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.