Home / 212,281.54-292,969.20-158,473.12

Finding the Fourth Proportional to 212,281.54, 292,969.20 and 158,473.12

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Solution

The fourth proportional to 212,281.54, 292,969.20 and 158,473.12 is: 218,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,281.54 : 292,969.20 = 158,473.12 : x
  2. Step 2: Convert to fraction form
    212,281.54/292,969.20 = 158,473.12/x
  3. Step 3: Cross multiply
    212,281.54x = 292,969.20 × 158,473.12
  4. Step 4: Simplify right side
    212,281.54x = 46,427,743,187.90
  5. Step 5: Solve for x
    x = 46,427,743,187.90/212,281.54
  6. Step 6: Final answer
    x = 218,708.34

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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.