Home / 243,178.25-364,517.96-93,378.20

Finding the Fourth Proportional to 243,178.25, 364,517.96 and 93,378.20

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Solution

The fourth proportional to 243,178.25, 364,517.96 and 93,378.20 is: 139,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,178.25 : 364,517.96 = 93,378.20 : x
  2. Step 2: Convert to fraction form
    243,178.25/364,517.96 = 93,378.20/x
  3. Step 3: Cross multiply
    243,178.25x = 364,517.96 × 93,378.20
  4. Step 4: Simplify right side
    243,178.25x = 34,038,028,682.99
  5. Step 5: Solve for x
    x = 34,038,028,682.99/243,178.25
  6. Step 6: Final answer
    x = 139,971.52

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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.