Home / 257,052.75-354,732.69-143,875.50

Finding the Fourth Proportional to 257,052.75, 354,732.69 and 143,875.50

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Solution

The fourth proportional to 257,052.75, 354,732.69 and 143,875.50 is: 198,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,052.75 : 354,732.69 = 143,875.50 : x
  2. Step 2: Convert to fraction form
    257,052.75/354,732.69 = 143,875.50/x
  3. Step 3: Cross multiply
    257,052.75x = 354,732.69 × 143,875.50
  4. Step 4: Simplify right side
    257,052.75x = 51,037,341,366.43
  5. Step 5: Solve for x
    x = 51,037,341,366.43/257,052.75
  6. Step 6: Final answer
    x = 198,548.13

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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.