Home / 151,195.60-226,784.29-66,931.10

Finding the Fourth Proportional to 151,195.60, 226,784.29 and 66,931.10

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Solution

The fourth proportional to 151,195.60, 226,784.29 and 66,931.10 is: 100,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,195.60 : 226,784.29 = 66,931.10 : x
  2. Step 2: Convert to fraction form
    151,195.60/226,784.29 = 66,931.10/x
  3. Step 3: Cross multiply
    151,195.60x = 226,784.29 × 66,931.10
  4. Step 4: Simplify right side
    151,195.60x = 15,178,921,992.42
  5. Step 5: Solve for x
    x = 15,178,921,992.42/151,195.60
  6. Step 6: Final answer
    x = 100,392.62

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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.