Home / 252,835.28-348,913.80-139,658.96

Finding the Fourth Proportional to 252,835.28, 348,913.80 and 139,658.96

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Solution

The fourth proportional to 252,835.28, 348,913.80 and 139,658.96 is: 192,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,835.28 : 348,913.80 = 139,658.96 : x
  2. Step 2: Convert to fraction form
    252,835.28/348,913.80 = 139,658.96/x
  3. Step 3: Cross multiply
    252,835.28x = 348,913.80 × 139,658.96
  4. Step 4: Simplify right side
    252,835.28x = 48,728,938,437.65
  5. Step 5: Solve for x
    x = 48,728,938,437.65/252,835.28
  6. Step 6: Final answer
    x = 192,729.98

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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.