Home / 133,084.38-183,659.23-72,657.57

Finding the Fourth Proportional to 133,084.38, 183,659.23 and 72,657.57

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Solution

The fourth proportional to 133,084.38, 183,659.23 and 72,657.57 is: 100,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,084.38 : 183,659.23 = 72,657.57 : x
  2. Step 2: Convert to fraction form
    133,084.38/183,659.23 = 72,657.57/x
  3. Step 3: Cross multiply
    133,084.38x = 183,659.23 × 72,657.57
  4. Step 4: Simplify right side
    133,084.38x = 13,344,233,359.87
  5. Step 5: Solve for x
    x = 13,344,233,359.87/133,084.38
  6. Step 6: Final answer
    x = 100,268.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.