Home / 177,880.59-266,850.05-72,671.31

Finding the Fourth Proportional to 177,880.59, 266,850.05 and 72,671.31

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Solution

The fourth proportional to 177,880.59, 266,850.05 and 72,671.31 is: 109,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,880.59 : 266,850.05 = 72,671.31 : x
  2. Step 2: Convert to fraction form
    177,880.59/266,850.05 = 72,671.31/x
  3. Step 3: Cross multiply
    177,880.59x = 266,850.05 × 72,671.31
  4. Step 4: Simplify right side
    177,880.59x = 19,392,342,343.71
  5. Step 5: Solve for x
    x = 19,392,342,343.71/177,880.59
  6. Step 6: Final answer
    x = 109,018.88

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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.