Home / 254,868.30-351,727.29-140,155.67

Finding the Fourth Proportional to 254,868.30, 351,727.29 and 140,155.67

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Solution

The fourth proportional to 254,868.30, 351,727.29 and 140,155.67 is: 193,419.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,868.30 : 351,727.29 = 140,155.67 : x
  2. Step 2: Convert to fraction form
    254,868.30/351,727.29 = 140,155.67/x
  3. Step 3: Cross multiply
    254,868.30x = 351,727.29 × 140,155.67
  4. Step 4: Simplify right side
    254,868.30x = 49,296,572,228.60
  5. Step 5: Solve for x
    x = 49,296,572,228.60/254,868.30
  6. Step 6: Final answer
    x = 193,419.79

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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.