Home / 308,097.53-425,166.76-172,132.50

Finding the Fourth Proportional to 308,097.53, 425,166.76 and 172,132.50

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Solution

The fourth proportional to 308,097.53, 425,166.76 and 172,132.50 is: 237,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,097.53 : 425,166.76 = 172,132.50 : x
  2. Step 2: Convert to fraction form
    308,097.53/425,166.76 = 172,132.50/x
  3. Step 3: Cross multiply
    308,097.53x = 425,166.76 × 172,132.50
  4. Step 4: Simplify right side
    308,097.53x = 73,185,017,315.70
  5. Step 5: Solve for x
    x = 73,185,017,315.70/308,097.53
  6. Step 6: Final answer
    x = 237,538.47

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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.