Home / 178,784.02-268,172.50-72,165.14

Finding the Fourth Proportional to 178,784.02, 268,172.50 and 72,165.14

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Solution

The fourth proportional to 178,784.02, 268,172.50 and 72,165.14 is: 108,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,784.02 : 268,172.50 = 72,165.14 : x
  2. Step 2: Convert to fraction form
    178,784.02/268,172.50 = 72,165.14/x
  3. Step 3: Cross multiply
    178,784.02x = 268,172.50 × 72,165.14
  4. Step 4: Simplify right side
    178,784.02x = 19,352,706,006.65
  5. Step 5: Solve for x
    x = 19,352,706,006.65/178,784.02
  6. Step 6: Final answer
    x = 108,246.29

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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.