Home / 115,862.10-173,663.55-65,966.10

Finding the Fourth Proportional to 115,862.10, 173,663.55 and 65,966.10

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Solution

The fourth proportional to 115,862.10, 173,663.55 and 65,966.10 is: 98,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,862.10 : 173,663.55 = 65,966.10 : x
  2. Step 2: Convert to fraction form
    115,862.10/173,663.55 = 65,966.10/x
  3. Step 3: Cross multiply
    115,862.10x = 173,663.55 × 65,966.10
  4. Step 4: Simplify right side
    115,862.10x = 11,455,907,105.66
  5. Step 5: Solve for x
    x = 11,455,907,105.66/115,862.10
  6. Step 6: Final answer
    x = 98,875.36

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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.