Home / 243,214.80-364,823.42-109,939.02

Finding the Fourth Proportional to 243,214.80, 364,823.42 and 109,939.02

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Solution

The fourth proportional to 243,214.80, 364,823.42 and 109,939.02 is: 164,909.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,214.80 : 364,823.42 = 109,939.02 : x
  2. Step 2: Convert to fraction form
    243,214.80/364,823.42 = 109,939.02/x
  3. Step 3: Cross multiply
    243,214.80x = 364,823.42 × 109,939.02
  4. Step 4: Simplify right side
    243,214.80x = 40,108,328,718.15
  5. Step 5: Solve for x
    x = 40,108,328,718.15/243,214.80
  6. Step 6: Final answer
    x = 164,909.08

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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.