Home / 147,178.86-220,635.18-53,662.74

Finding the Fourth Proportional to 147,178.86, 220,635.18 and 53,662.74

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Solution

The fourth proportional to 147,178.86, 220,635.18 and 53,662.74 is: 80,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,178.86 : 220,635.18 = 53,662.74 : x
  2. Step 2: Convert to fraction form
    147,178.86/220,635.18 = 53,662.74/x
  3. Step 3: Cross multiply
    147,178.86x = 220,635.18 × 53,662.74
  4. Step 4: Simplify right side
    147,178.86x = 11,839,888,299.19
  5. Step 5: Solve for x
    x = 11,839,888,299.19/147,178.86
  6. Step 6: Final answer
    x = 80,445.58

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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.