Home / 134,032.52-185,027.85-77,432.96

Finding the Fourth Proportional to 134,032.52, 185,027.85 and 77,432.96

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Solution

The fourth proportional to 134,032.52, 185,027.85 and 77,432.96 is: 106,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,032.52 : 185,027.85 = 77,432.96 : x
  2. Step 2: Convert to fraction form
    134,032.52/185,027.85 = 77,432.96/x
  3. Step 3: Cross multiply
    134,032.52x = 185,027.85 × 77,432.96
  4. Step 4: Simplify right side
    134,032.52x = 14,327,254,107.94
  5. Step 5: Solve for x
    x = 14,327,254,107.94/134,032.52
  6. Step 6: Final answer
    x = 106,893.87

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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.