Home / 100,874.53-151,292.35-30,760.93

Finding the Fourth Proportional to 100,874.53, 151,292.35 and 30,760.93

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Solution

The fourth proportional to 100,874.53, 151,292.35 and 30,760.93 is: 46,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,874.53 : 151,292.35 = 30,760.93 : x
  2. Step 2: Convert to fraction form
    100,874.53/151,292.35 = 30,760.93/x
  3. Step 3: Cross multiply
    100,874.53x = 151,292.35 × 30,760.93
  4. Step 4: Simplify right side
    100,874.53x = 4,653,893,387.89
  5. Step 5: Solve for x
    x = 4,653,893,387.89/100,874.53
  6. Step 6: Final answer
    x = 46,135.47

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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.