Home / 213,164.46-319,778.28-70,963.29

Finding the Fourth Proportional to 213,164.46, 319,778.28 and 70,963.29

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Solution

The fourth proportional to 213,164.46, 319,778.28 and 70,963.29 is: 106,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,164.46 : 319,778.28 = 70,963.29 : x
  2. Step 2: Convert to fraction form
    213,164.46/319,778.28 = 70,963.29/x
  3. Step 3: Cross multiply
    213,164.46x = 319,778.28 × 70,963.29
  4. Step 4: Simplify right side
    213,164.46x = 22,692,518,819.34
  5. Step 5: Solve for x
    x = 22,692,518,819.34/213,164.46
  6. Step 6: Final answer
    x = 106,455.45

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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.