Home / 189,585.09-261,627.84-104,702.22

Finding the Fourth Proportional to 189,585.09, 261,627.84 and 104,702.22

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Solution

The fourth proportional to 189,585.09, 261,627.84 and 104,702.22 is: 144,489.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,585.09 : 261,627.84 = 104,702.22 : x
  2. Step 2: Convert to fraction form
    189,585.09/261,627.84 = 104,702.22/x
  3. Step 3: Cross multiply
    189,585.09x = 261,627.84 × 104,702.22
  4. Step 4: Simplify right side
    189,585.09x = 27,393,015,661.80
  5. Step 5: Solve for x
    x = 27,393,015,661.80/189,585.09
  6. Step 6: Final answer
    x = 144,489.29

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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.