Home / 148,303.25-204,657.47-80,318.67

Finding the Fourth Proportional to 148,303.25, 204,657.47 and 80,318.67

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Solution

The fourth proportional to 148,303.25, 204,657.47 and 80,318.67 is: 110,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,303.25 : 204,657.47 = 80,318.67 : x
  2. Step 2: Convert to fraction form
    148,303.25/204,657.47 = 80,318.67/x
  3. Step 3: Cross multiply
    148,303.25x = 204,657.47 × 80,318.67
  4. Step 4: Simplify right side
    148,303.25x = 16,437,816,079.30
  5. Step 5: Solve for x
    x = 16,437,816,079.30/148,303.25
  6. Step 6: Final answer
    x = 110,839.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.