Home / 213,242.32-294,291.76-122,627.60

Finding the Fourth Proportional to 213,242.32, 294,291.76 and 122,627.60

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Solution

The fourth proportional to 213,242.32, 294,291.76 and 122,627.60 is: 169,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,242.32 : 294,291.76 = 122,627.60 : x
  2. Step 2: Convert to fraction form
    213,242.32/294,291.76 = 122,627.60/x
  3. Step 3: Cross multiply
    213,242.32x = 294,291.76 × 122,627.60
  4. Step 4: Simplify right side
    213,242.32x = 36,088,292,228.58
  5. Step 5: Solve for x
    x = 36,088,292,228.58/213,242.32
  6. Step 6: Final answer
    x = 169,236.07

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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.