Home / 308,095.20-425,166.56-172,131.02

Finding the Fourth Proportional to 308,095.20, 425,166.56 and 172,131.02

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Solution

The fourth proportional to 308,095.20, 425,166.56 and 172,131.02 is: 237,538.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,095.20 : 425,166.56 = 172,131.02 : x
  2. Step 2: Convert to fraction form
    308,095.20/425,166.56 = 172,131.02/x
  3. Step 3: Cross multiply
    308,095.20x = 425,166.56 × 172,131.02
  4. Step 4: Simplify right side
    308,095.20x = 73,184,353,642.69
  5. Step 5: Solve for x
    x = 73,184,353,642.69/308,095.20
  6. Step 6: Final answer
    x = 237,538.12

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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.