Home / 137,330.91-189,535.84-99,213.77

Finding the Fourth Proportional to 137,330.91, 189,535.84 and 99,213.77

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Solution

The fourth proportional to 137,330.91, 189,535.84 and 99,213.77 is: 136,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,330.91 : 189,535.84 = 99,213.77 : x
  2. Step 2: Convert to fraction form
    137,330.91/189,535.84 = 99,213.77/x
  3. Step 3: Cross multiply
    137,330.91x = 189,535.84 × 99,213.77
  4. Step 4: Simplify right side
    137,330.91x = 18,804,565,462.32
  5. Step 5: Solve for x
    x = 18,804,565,462.32/137,330.91
  6. Step 6: Final answer
    x = 136,928.86

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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.