Home / 144,018.72-216,028.10-38,837.70

Finding the Fourth Proportional to 144,018.72, 216,028.10 and 38,837.70

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Solution

The fourth proportional to 144,018.72, 216,028.10 and 38,837.70 is: 58,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,018.72 : 216,028.10 = 38,837.70 : x
  2. Step 2: Convert to fraction form
    144,018.72/216,028.10 = 38,837.70/x
  3. Step 3: Cross multiply
    144,018.72x = 216,028.10 × 38,837.70
  4. Step 4: Simplify right side
    144,018.72x = 8,390,034,539.37
  5. Step 5: Solve for x
    x = 8,390,034,539.37/144,018.72
  6. Step 6: Final answer
    x = 58,256.56

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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.