Home / 115,293.12-171,793.50-102,716.50

Finding the Fourth Proportional to 115,293.12, 171,793.50 and 102,716.50

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Solution

The fourth proportional to 115,293.12, 171,793.50 and 102,716.50 is: 153,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,293.12 : 171,793.50 = 102,716.50 : x
  2. Step 2: Convert to fraction form
    115,293.12/171,793.50 = 102,716.50/x
  3. Step 3: Cross multiply
    115,293.12x = 171,793.50 × 102,716.50
  4. Step 4: Simplify right side
    115,293.12x = 17,646,026,529.17
  5. Step 5: Solve for x
    x = 17,646,026,529.17/115,293.12
  6. Step 6: Final answer
    x = 153,053.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.