Home / 189,421.52-261,088.20-134,159.11

Finding the Fourth Proportional to 189,421.52, 261,088.20 and 134,159.11

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Solution

The fourth proportional to 189,421.52, 261,088.20 and 134,159.11 is: 184,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,421.52 : 261,088.20 = 134,159.11 : x
  2. Step 2: Convert to fraction form
    189,421.52/261,088.20 = 134,159.11/x
  3. Step 3: Cross multiply
    189,421.52x = 261,088.20 × 134,159.11
  4. Step 4: Simplify right side
    189,421.52x = 35,027,359,890.78
  5. Step 5: Solve for x
    x = 35,027,359,890.78/189,421.52
  6. Step 6: Final answer
    x = 184,917.54

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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.