Home / 189,354.24-261,323.52-104,478.72

Finding the Fourth Proportional to 189,354.24, 261,323.52 and 104,478.72

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Solution

The fourth proportional to 189,354.24, 261,323.52 and 104,478.72 is: 144,188.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,354.24 : 261,323.52 = 104,478.72 : x
  2. Step 2: Convert to fraction form
    189,354.24/261,323.52 = 104,478.72/x
  3. Step 3: Cross multiply
    189,354.24x = 261,323.52 × 104,478.72
  4. Step 4: Simplify right side
    189,354.24x = 27,302,746,875.49
  5. Step 5: Solve for x
    x = 27,302,746,875.49/189,354.24
  6. Step 6: Final answer
    x = 144,188.73

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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.