Home / 115,944.90-160,018.79-68,202.69

Finding the Fourth Proportional to 115,944.90, 160,018.79 and 68,202.69

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Solution

The fourth proportional to 115,944.90, 160,018.79 and 68,202.69 is: 94,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,944.90 : 160,018.79 = 68,202.69 : x
  2. Step 2: Convert to fraction form
    115,944.90/160,018.79 = 68,202.69/x
  3. Step 3: Cross multiply
    115,944.90x = 160,018.79 × 68,202.69
  4. Step 4: Simplify right side
    115,944.90x = 10,913,711,587.53
  5. Step 5: Solve for x
    x = 10,913,711,587.53/115,944.90
  6. Step 6: Final answer
    x = 94,128.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.