Home / 177,919.61-245,591.60-109,988.69

Finding the Fourth Proportional to 177,919.61, 245,591.60 and 109,988.69

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Solution

The fourth proportional to 177,919.61, 245,591.60 and 109,988.69 is: 151,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,919.61 : 245,591.60 = 109,988.69 : x
  2. Step 2: Convert to fraction form
    177,919.61/245,591.60 = 109,988.69/x
  3. Step 3: Cross multiply
    177,919.61x = 245,591.60 × 109,988.69
  4. Step 4: Simplify right side
    177,919.61x = 27,012,296,581.10
  5. Step 5: Solve for x
    x = 27,012,296,581.10/177,919.61
  6. Step 6: Final answer
    x = 151,823.05

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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.