Home / 155,117.82-232,677.72-84,958.86

Finding the Fourth Proportional to 155,117.82, 232,677.72 and 84,958.86

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Solution

The fourth proportional to 155,117.82, 232,677.72 and 84,958.86 is: 127,438.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,117.82 : 232,677.72 = 84,958.86 : x
  2. Step 2: Convert to fraction form
    155,117.82/232,677.72 = 84,958.86/x
  3. Step 3: Cross multiply
    155,117.82x = 232,677.72 × 84,958.86
  4. Step 4: Simplify right side
    155,117.82x = 19,768,033,838.60
  5. Step 5: Solve for x
    x = 19,768,033,838.60/155,117.82
  6. Step 6: Final answer
    x = 127,438.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.