Home / 189,587.13-261,644.02-109,039.92

Finding the Fourth Proportional to 189,587.13, 261,644.02 and 109,039.92

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Solution

The fourth proportional to 189,587.13, 261,644.02 and 109,039.92 is: 150,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,587.13 : 261,644.02 = 109,039.92 : x
  2. Step 2: Convert to fraction form
    189,587.13/261,644.02 = 109,039.92/x
  3. Step 3: Cross multiply
    189,587.13x = 261,644.02 × 109,039.92
  4. Step 4: Simplify right side
    189,587.13x = 28,529,642,736.68
  5. Step 5: Solve for x
    x = 28,529,642,736.68/189,587.13
  6. Step 6: Final answer
    x = 150,483.01

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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.