Home / 127,146.82-190,674.33-38,372.98

Finding the Fourth Proportional to 127,146.82, 190,674.33 and 38,372.98

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Solution

The fourth proportional to 127,146.82, 190,674.33 and 38,372.98 is: 57,545.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,146.82 : 190,674.33 = 38,372.98 : x
  2. Step 2: Convert to fraction form
    127,146.82/190,674.33 = 38,372.98/x
  3. Step 3: Cross multiply
    127,146.82x = 190,674.33 × 38,372.98
  4. Step 4: Simplify right side
    127,146.82x = 7,316,742,251.60
  5. Step 5: Solve for x
    x = 7,316,742,251.60/127,146.82
  6. Step 6: Final answer
    x = 57,545.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.