Home / 177,338.20-266,007.30-145,845.40

Finding the Fourth Proportional to 177,338.20, 266,007.30 and 145,845.40

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Solution

The fourth proportional to 177,338.20, 266,007.30 and 145,845.40 is: 218,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,338.20 : 266,007.30 = 145,845.40 : x
  2. Step 2: Convert to fraction form
    177,338.20/266,007.30 = 145,845.40/x
  3. Step 3: Cross multiply
    177,338.20x = 266,007.30 × 145,845.40
  4. Step 4: Simplify right side
    177,338.20x = 38,795,941,071.42
  5. Step 5: Solve for x
    x = 38,795,941,071.42/177,338.20
  6. Step 6: Final answer
    x = 218,768.10

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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.