Home / 115,049.60-172,428.99-51,802.37

Finding the Fourth Proportional to 115,049.60, 172,428.99 and 51,802.37

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Solution

The fourth proportional to 115,049.60, 172,428.99 and 51,802.37 is: 77,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,049.60 : 172,428.99 = 51,802.37 : x
  2. Step 2: Convert to fraction form
    115,049.60/172,428.99 = 51,802.37/x
  3. Step 3: Cross multiply
    115,049.60x = 172,428.99 × 51,802.37
  4. Step 4: Simplify right side
    115,049.60x = 8,932,230,338.71
  5. Step 5: Solve for x
    x = 8,932,230,338.71/115,049.60
  6. Step 6: Final answer
    x = 77,638.08

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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.