Home / 170,867.10-256,252.23-70,903.65

Finding the Fourth Proportional to 170,867.10, 256,252.23 and 70,903.65

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Solution

The fourth proportional to 170,867.10, 256,252.23 and 70,903.65 is: 106,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,867.10 : 256,252.23 = 70,903.65 : x
  2. Step 2: Convert to fraction form
    170,867.10/256,252.23 = 70,903.65/x
  3. Step 3: Cross multiply
    170,867.10x = 256,252.23 × 70,903.65
  4. Step 4: Simplify right side
    170,867.10x = 18,169,218,427.64
  5. Step 5: Solve for x
    x = 18,169,218,427.64/170,867.10
  6. Step 6: Final answer
    x = 106,335.38

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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.