Home / 146,395.77-202,015.55-80,981.83

Finding the Fourth Proportional to 146,395.77, 202,015.55 and 80,981.83

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Solution

The fourth proportional to 146,395.77, 202,015.55 and 80,981.83 is: 111,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,395.77 : 202,015.55 = 80,981.83 : x
  2. Step 2: Convert to fraction form
    146,395.77/202,015.55 = 80,981.83/x
  3. Step 3: Cross multiply
    146,395.77x = 202,015.55 × 80,981.83
  4. Step 4: Simplify right side
    146,395.77x = 16,359,588,927.46
  5. Step 5: Solve for x
    x = 16,359,588,927.46/146,395.77
  6. Step 6: Final answer
    x = 111,749.05

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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.