Home / 218,353.07-301,333.12-122,863.16

Finding the Fourth Proportional to 218,353.07, 301,333.12 and 122,863.16

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Solution

The fourth proportional to 218,353.07, 301,333.12 and 122,863.16 is: 169,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,353.07 : 301,333.12 = 122,863.16 : x
  2. Step 2: Convert to fraction form
    218,353.07/301,333.12 = 122,863.16/x
  3. Step 3: Cross multiply
    218,353.07x = 301,333.12 × 122,863.16
  4. Step 4: Simplify right side
    218,353.07x = 37,022,739,335.86
  5. Step 5: Solve for x
    x = 37,022,739,335.86/218,353.07
  6. Step 6: Final answer
    x = 169,554.47

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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.