Home / 100,843.75-151,283.64-34,280.38

Finding the Fourth Proportional to 100,843.75, 151,283.64 and 34,280.38

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Solution

The fourth proportional to 100,843.75, 151,283.64 and 34,280.38 is: 51,426.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,843.75 : 151,283.64 = 34,280.38 : x
  2. Step 2: Convert to fraction form
    100,843.75/151,283.64 = 34,280.38/x
  3. Step 3: Cross multiply
    100,843.75x = 151,283.64 × 34,280.38
  4. Step 4: Simplify right side
    100,843.75x = 5,186,060,666.98
  5. Step 5: Solve for x
    x = 5,186,060,666.98/100,843.75
  6. Step 6: Final answer
    x = 51,426.69

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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.