Home / 115,265.06-172,897.58-31,025.39

Finding the Fourth Proportional to 115,265.06, 172,897.58 and 31,025.39

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Solution

The fourth proportional to 115,265.06, 172,897.58 and 31,025.39 is: 46,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,265.06 : 172,897.58 = 31,025.39 : x
  2. Step 2: Convert to fraction form
    115,265.06/172,897.58 = 31,025.39/x
  3. Step 3: Cross multiply
    115,265.06x = 172,897.58 × 31,025.39
  4. Step 4: Simplify right side
    115,265.06x = 5,364,214,849.56
  5. Step 5: Solve for x
    x = 5,364,214,849.56/115,265.06
  6. Step 6: Final answer
    x = 46,538.08

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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.