Home / 189,259.68-261,178.20-104,382.12

Finding the Fourth Proportional to 189,259.68, 261,178.20 and 104,382.12

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Solution

The fourth proportional to 189,259.68, 261,178.20 and 104,382.12 is: 144,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,259.68 : 261,178.20 = 104,382.12 : x
  2. Step 2: Convert to fraction form
    189,259.68/261,178.20 = 104,382.12/x
  3. Step 3: Cross multiply
    189,259.68x = 261,178.20 × 104,382.12
  4. Step 4: Simplify right side
    189,259.68x = 27,262,334,213.78
  5. Step 5: Solve for x
    x = 27,262,334,213.78/189,259.68
  6. Step 6: Final answer
    x = 144,047.24

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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.