Home / 254,420.26-381,674.37-85,941.81

Finding the Fourth Proportional to 254,420.26, 381,674.37 and 85,941.81

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Solution

The fourth proportional to 254,420.26, 381,674.37 and 85,941.81 is: 128,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,420.26 : 381,674.37 = 85,941.81 : x
  2. Step 2: Convert to fraction form
    254,420.26/381,674.37 = 85,941.81/x
  3. Step 3: Cross multiply
    254,420.26x = 381,674.37 × 85,941.81
  4. Step 4: Simplify right side
    254,420.26x = 32,801,786,510.69
  5. Step 5: Solve for x
    x = 32,801,786,510.69/254,420.26
  6. Step 6: Final answer
    x = 128,927.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.