Home / 240,123.60-331,379.64-132,698.16

Finding the Fourth Proportional to 240,123.60, 331,379.64 and 132,698.16

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Solution

The fourth proportional to 240,123.60, 331,379.64 and 132,698.16 is: 183,128.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,123.60 : 331,379.64 = 132,698.16 : x
  2. Step 2: Convert to fraction form
    240,123.60/331,379.64 = 132,698.16/x
  3. Step 3: Cross multiply
    240,123.60x = 331,379.64 × 132,698.16
  4. Step 4: Simplify right side
    240,123.60x = 43,973,468,489.46
  5. Step 5: Solve for x
    x = 43,973,468,489.46/240,123.60
  6. Step 6: Final answer
    x = 183,128.47

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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.