Home / 254,887.06-351,749.85-140,158.43

Finding the Fourth Proportional to 254,887.06, 351,749.85 and 140,158.43

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Solution

The fourth proportional to 254,887.06, 351,749.85 and 140,158.43 is: 193,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,887.06 : 351,749.85 = 140,158.43 : x
  2. Step 2: Convert to fraction form
    254,887.06/351,749.85 = 140,158.43/x
  3. Step 3: Cross multiply
    254,887.06x = 351,749.85 × 140,158.43
  4. Step 4: Simplify right side
    254,887.06x = 49,300,706,728.74
  5. Step 5: Solve for x
    x = 49,300,706,728.74/254,887.06
  6. Step 6: Final answer
    x = 193,421.77

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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.