Home / 243,541.80-365,249.08-72,723.32

Finding the Fourth Proportional to 243,541.80, 365,249.08 and 72,723.32

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Solution

The fourth proportional to 243,541.80, 365,249.08 and 72,723.32 is: 109,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,541.80 : 365,249.08 = 72,723.32 : x
  2. Step 2: Convert to fraction form
    243,541.80/365,249.08 = 72,723.32/x
  3. Step 3: Cross multiply
    243,541.80x = 365,249.08 × 72,723.32
  4. Step 4: Simplify right side
    243,541.80x = 26,562,125,724.55
  5. Step 5: Solve for x
    x = 26,562,125,724.55/243,541.80
  6. Step 6: Final answer
    x = 109,065.98

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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.