Home / 154,195.08-231,122.58-100,864.92

Finding the Fourth Proportional to 154,195.08, 231,122.58 and 100,864.92

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Solution

The fourth proportional to 154,195.08, 231,122.58 and 100,864.92 is: 151,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,195.08 : 231,122.58 = 100,864.92 : x
  2. Step 2: Convert to fraction form
    154,195.08/231,122.58 = 100,864.92/x
  3. Step 3: Cross multiply
    154,195.08x = 231,122.58 × 100,864.92
  4. Step 4: Simplify right side
    154,195.08x = 23,312,160,541.89
  5. Step 5: Solve for x
    x = 23,312,160,541.89/154,195.08
  6. Step 6: Final answer
    x = 151,186.15

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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.