Home / 186,972.50-258,018.82-106,398.36

Finding the Fourth Proportional to 186,972.50, 258,018.82 and 106,398.36

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Solution

The fourth proportional to 186,972.50, 258,018.82 and 106,398.36 is: 146,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,972.50 : 258,018.82 = 106,398.36 : x
  2. Step 2: Convert to fraction form
    186,972.50/258,018.82 = 106,398.36/x
  3. Step 3: Cross multiply
    186,972.50x = 258,018.82 × 106,398.36
  4. Step 4: Simplify right side
    186,972.50x = 27,452,779,031.14
  5. Step 5: Solve for x
    x = 27,452,779,031.14/186,972.50
  6. Step 6: Final answer
    x = 146,827.90

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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.