Home / 243,013.20-364,521.96-74,534.31

Finding the Fourth Proportional to 243,013.20, 364,521.96 and 74,534.31

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Solution

The fourth proportional to 243,013.20, 364,521.96 and 74,534.31 is: 111,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,013.20 : 364,521.96 = 74,534.31 : x
  2. Step 2: Convert to fraction form
    243,013.20/364,521.96 = 74,534.31/x
  3. Step 3: Cross multiply
    243,013.20x = 364,521.96 × 74,534.31
  4. Step 4: Simplify right side
    243,013.20x = 27,169,392,768.45
  5. Step 5: Solve for x
    x = 27,169,392,768.45/243,013.20
  6. Step 6: Final answer
    x = 111,802.13

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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.