Home / 215,141.56-296,890.14-117,022.28

Finding the Fourth Proportional to 215,141.56, 296,890.14 and 117,022.28

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Solution

The fourth proportional to 215,141.56, 296,890.14 and 117,022.28 is: 161,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,141.56 : 296,890.14 = 117,022.28 : x
  2. Step 2: Convert to fraction form
    215,141.56/296,890.14 = 117,022.28/x
  3. Step 3: Cross multiply
    215,141.56x = 296,890.14 × 117,022.28
  4. Step 4: Simplify right side
    215,141.56x = 34,742,761,092.32
  5. Step 5: Solve for x
    x = 34,742,761,092.32/215,141.56
  6. Step 6: Final answer
    x = 161,487.91

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1.5x scale

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.