Home / 243,157.02-364,560.87-115,002.17

Finding the Fourth Proportional to 243,157.02, 364,560.87 and 115,002.17

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Solution

The fourth proportional to 243,157.02, 364,560.87 and 115,002.17 is: 172,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,157.02 : 364,560.87 = 115,002.17 : x
  2. Step 2: Convert to fraction form
    243,157.02/364,560.87 = 115,002.17/x
  3. Step 3: Cross multiply
    243,157.02x = 364,560.87 × 115,002.17
  4. Step 4: Simplify right side
    243,157.02x = 41,925,289,324.28
  5. Step 5: Solve for x
    x = 41,925,289,324.28/243,157.02
  6. Step 6: Final answer
    x = 172,420.64

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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.