Home / 115,470-173,262.40-64,837.52

Finding the Fourth Proportional to 115,470, 173,262.40 and 64,837.52

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Solution

The fourth proportional to 115,470, 173,262.40 and 64,837.52 is: 97,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,470 : 173,262.40 = 64,837.52 : x
  2. Step 2: Convert to fraction form
    115,470/173,262.40 = 64,837.52/x
  3. Step 3: Cross multiply
    115,470x = 173,262.40 × 64,837.52
  4. Step 4: Simplify right side
    115,470x = 11,233,904,325.25
  5. Step 5: Solve for x
    x = 11,233,904,325.25/115,470
  6. Step 6: Final answer
    x = 97,288.51

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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.