Home / 189,363.12-261,329.52-104,475.12

Finding the Fourth Proportional to 189,363.12, 261,329.52 and 104,475.12

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Solution

The fourth proportional to 189,363.12, 261,329.52 and 104,475.12 is: 144,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,363.12 : 261,329.52 = 104,475.12 : x
  2. Step 2: Convert to fraction form
    189,363.12/261,329.52 = 104,475.12/x
  3. Step 3: Cross multiply
    189,363.12x = 261,329.52 × 104,475.12
  4. Step 4: Simplify right side
    189,363.12x = 27,302,432,961.54
  5. Step 5: Solve for x
    x = 27,302,432,961.54/189,363.12
  6. Step 6: Final answer
    x = 144,180.31

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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.