Home / 217,425.48-300,060.24-121,937.64

Finding the Fourth Proportional to 217,425.48, 300,060.24 and 121,937.64

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Solution

The fourth proportional to 217,425.48, 300,060.24 and 121,937.64 is: 168,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,425.48 : 300,060.24 = 121,937.64 : x
  2. Step 2: Convert to fraction form
    217,425.48/300,060.24 = 121,937.64/x
  3. Step 3: Cross multiply
    217,425.48x = 300,060.24 × 121,937.64
  4. Step 4: Simplify right side
    217,425.48x = 36,588,637,523.43
  5. Step 5: Solve for x
    x = 36,588,637,523.43/217,425.48
  6. Step 6: Final answer
    x = 168,281.28

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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.