Home / 170,643.30-256,159.35-100,562.10

Finding the Fourth Proportional to 170,643.30, 256,159.35 and 100,562.10

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Solution

The fourth proportional to 170,643.30, 256,159.35 and 100,562.10 is: 150,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,643.30 : 256,159.35 = 100,562.10 : x
  2. Step 2: Convert to fraction form
    170,643.30/256,159.35 = 100,562.10/x
  3. Step 3: Cross multiply
    170,643.30x = 256,159.35 × 100,562.10
  4. Step 4: Simplify right side
    170,643.30x = 25,759,922,170.64
  5. Step 5: Solve for x
    x = 25,759,922,170.64/170,643.30
  6. Step 6: Final answer
    x = 150,957.71

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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.