Home / 213,300.42-294,349.28-122,654.22

Finding the Fourth Proportional to 213,300.42, 294,349.28 and 122,654.22

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Solution

The fourth proportional to 213,300.42, 294,349.28 and 122,654.22 is: 169,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,300.42 : 294,349.28 = 122,654.22 : x
  2. Step 2: Convert to fraction form
    213,300.42/294,349.28 = 122,654.22/x
  3. Step 3: Cross multiply
    213,300.42x = 294,349.28 × 122,654.22
  4. Step 4: Simplify right side
    213,300.42x = 36,103,181,192.64
  5. Step 5: Solve for x
    x = 36,103,181,192.64/213,300.42
  6. Step 6: Final answer
    x = 169,259.78

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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.