Home / 162,918.14-224,815.70-90,320.47

Finding the Fourth Proportional to 162,918.14, 224,815.70 and 90,320.47

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Solution

The fourth proportional to 162,918.14, 224,815.70 and 90,320.47 is: 124,635.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,918.14 : 224,815.70 = 90,320.47 : x
  2. Step 2: Convert to fraction form
    162,918.14/224,815.70 = 90,320.47/x
  3. Step 3: Cross multiply
    162,918.14x = 224,815.70 × 90,320.47
  4. Step 4: Simplify right side
    162,918.14x = 20,305,459,351.14
  5. Step 5: Solve for x
    x = 20,305,459,351.14/162,918.14
  6. Step 6: Final answer
    x = 124,635.97

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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.