Home / 145,961.61-218,515.68-131,953.74

Finding the Fourth Proportional to 145,961.61, 218,515.68 and 131,953.74

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Solution

The fourth proportional to 145,961.61, 218,515.68 and 131,953.74 is: 197,544.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,961.61 : 218,515.68 = 131,953.74 : x
  2. Step 2: Convert to fraction form
    145,961.61/218,515.68 = 131,953.74/x
  3. Step 3: Cross multiply
    145,961.61x = 218,515.68 × 131,953.74
  4. Step 4: Simplify right side
    145,961.61x = 28,833,961,224.64
  5. Step 5: Solve for x
    x = 28,833,961,224.64/145,961.61
  6. Step 6: Final answer
    x = 197,544.83

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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.