Home / 189,289.48-261,219.68-108,732.59

Finding the Fourth Proportional to 189,289.48, 261,219.68 and 108,732.59

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Solution

The fourth proportional to 189,289.48, 261,219.68 and 108,732.59 is: 150,051.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,289.48 : 261,219.68 = 108,732.59 : x
  2. Step 2: Convert to fraction form
    189,289.48/261,219.68 = 108,732.59/x
  3. Step 3: Cross multiply
    189,289.48x = 261,219.68 × 108,732.59
  4. Step 4: Simplify right side
    189,289.48x = 28,403,091,699.06
  5. Step 5: Solve for x
    x = 28,403,091,699.06/189,289.48
  6. Step 6: Final answer
    x = 150,051.08

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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.