Home / 257,312.44-355,087.02-144,134.84

Finding the Fourth Proportional to 257,312.44, 355,087.02 and 144,134.84

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Solution

The fourth proportional to 257,312.44, 355,087.02 and 144,134.84 is: 198,903.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,312.44 : 355,087.02 = 144,134.84 : x
  2. Step 2: Convert to fraction form
    257,312.44/355,087.02 = 144,134.84/x
  3. Step 3: Cross multiply
    257,312.44x = 355,087.02 × 144,134.84
  4. Step 4: Simplify right side
    257,312.44x = 51,180,410,813.78
  5. Step 5: Solve for x
    x = 51,180,410,813.78/257,312.44
  6. Step 6: Final answer
    x = 198,903.76

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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.