Home / 189,478.72-261,481.26-104,595.58

Finding the Fourth Proportional to 189,478.72, 261,481.26 and 104,595.58

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Solution

The fourth proportional to 189,478.72, 261,481.26 and 104,595.58 is: 144,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,478.72 : 261,481.26 = 104,595.58 : x
  2. Step 2: Convert to fraction form
    189,478.72/261,481.26 = 104,595.58/x
  3. Step 3: Cross multiply
    189,478.72x = 261,481.26 × 104,595.58
  4. Step 4: Simplify right side
    189,478.72x = 27,349,784,048.83
  5. Step 5: Solve for x
    x = 27,349,784,048.83/189,478.72
  6. Step 6: Final answer
    x = 144,342.25

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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.