Home / 170,722.40-256,083.60-165,801.65

Finding the Fourth Proportional to 170,722.40, 256,083.60 and 165,801.65

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Solution

The fourth proportional to 170,722.40, 256,083.60 and 165,801.65 is: 248,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,722.40 : 256,083.60 = 165,801.65 : x
  2. Step 2: Convert to fraction form
    170,722.40/256,083.60 = 165,801.65/x
  3. Step 3: Cross multiply
    170,722.40x = 256,083.60 × 165,801.65
  4. Step 4: Simplify right side
    170,722.40x = 42,459,083,417.94
  5. Step 5: Solve for x
    x = 42,459,083,417.94/170,722.40
  6. Step 6: Final answer
    x = 248,702.48

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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.