Home / 134,288.52-185,309.12-76,928.08

Finding the Fourth Proportional to 134,288.52, 185,309.12 and 76,928.08

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Solution

The fourth proportional to 134,288.52, 185,309.12 and 76,928.08 is: 106,155.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,288.52 : 185,309.12 = 76,928.08 : x
  2. Step 2: Convert to fraction form
    134,288.52/185,309.12 = 76,928.08/x
  3. Step 3: Cross multiply
    134,288.52x = 185,309.12 × 76,928.08
  4. Step 4: Simplify right side
    134,288.52x = 14,255,474,808.09
  5. Step 5: Solve for x
    x = 14,255,474,808.09/134,288.52
  6. Step 6: Final answer
    x = 106,155.57

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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.