Home / 189,799.20-261,922.80-104,916.24

Finding the Fourth Proportional to 189,799.20, 261,922.80 and 104,916.24

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Solution

The fourth proportional to 189,799.20, 261,922.80 and 104,916.24 is: 144,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,799.20 : 261,922.80 = 104,916.24 : x
  2. Step 2: Convert to fraction form
    189,799.20/261,922.80 = 104,916.24/x
  3. Step 3: Cross multiply
    189,799.20x = 261,922.80 × 104,916.24
  4. Step 4: Simplify right side
    189,799.20x = 27,479,955,346.27
  5. Step 5: Solve for x
    x = 27,479,955,346.27/189,799.20
  6. Step 6: Final answer
    x = 144,784.36

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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.