Home / 157,062.30-235,507.05-68,300.70

Finding the Fourth Proportional to 157,062.30, 235,507.05 and 68,300.70

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Solution

The fourth proportional to 157,062.30, 235,507.05 and 68,300.70 is: 102,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,062.30 : 235,507.05 = 68,300.70 : x
  2. Step 2: Convert to fraction form
    157,062.30/235,507.05 = 68,300.70/x
  3. Step 3: Cross multiply
    157,062.30x = 235,507.05 × 68,300.70
  4. Step 4: Simplify right side
    157,062.30x = 16,085,296,369.94
  5. Step 5: Solve for x
    x = 16,085,296,369.94/157,062.30
  6. Step 6: Final answer
    x = 102,413.48

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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.