Home / 243,158.02-364,562.37-115,003.17

Finding the Fourth Proportional to 243,158.02, 364,562.37 and 115,003.17

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Solution

The fourth proportional to 243,158.02, 364,562.37 and 115,003.17 is: 172,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,158.02 : 364,562.37 = 115,003.17 : x
  2. Step 2: Convert to fraction form
    243,158.02/364,562.37 = 115,003.17/x
  3. Step 3: Cross multiply
    243,158.02x = 364,562.37 × 115,003.17
  4. Step 4: Simplify right side
    243,158.02x = 41,925,828,212.71
  5. Step 5: Solve for x
    x = 41,925,828,212.71/243,158.02
  6. Step 6: Final answer
    x = 172,422.15

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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.