Home / 133,218.60-199,827.90-122,332.20

Finding the Fourth Proportional to 133,218.60, 199,827.90 and 122,332.20

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Solution

The fourth proportional to 133,218.60, 199,827.90 and 122,332.20 is: 183,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,218.60 : 199,827.90 = 122,332.20 : x
  2. Step 2: Convert to fraction form
    133,218.60/199,827.90 = 122,332.20/x
  3. Step 3: Cross multiply
    133,218.60x = 199,827.90 × 122,332.20
  4. Step 4: Simplify right side
    133,218.60x = 24,445,386,628.38
  5. Step 5: Solve for x
    x = 24,445,386,628.38/133,218.60
  6. Step 6: Final answer
    x = 183,498.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.