Home / 257,225.84-354,951.96-144,033.20

Finding the Fourth Proportional to 257,225.84, 354,951.96 and 144,033.20

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Solution

The fourth proportional to 257,225.84, 354,951.96 and 144,033.20 is: 198,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,225.84 : 354,951.96 = 144,033.20 : x
  2. Step 2: Convert to fraction form
    257,225.84/354,951.96 = 144,033.20/x
  3. Step 3: Cross multiply
    257,225.84x = 354,951.96 × 144,033.20
  4. Step 4: Simplify right side
    257,225.84x = 51,124,866,645.07
  5. Step 5: Solve for x
    x = 51,124,866,645.07/257,225.84
  6. Step 6: Final answer
    x = 198,754.79

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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.