Home / 219,981.15-303,105.06-148,236.57

Finding the Fourth Proportional to 219,981.15, 303,105.06 and 148,236.57

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Solution

The fourth proportional to 219,981.15, 303,105.06 and 148,236.57 is: 204,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,981.15 : 303,105.06 = 148,236.57 : x
  2. Step 2: Convert to fraction form
    219,981.15/303,105.06 = 148,236.57/x
  3. Step 3: Cross multiply
    219,981.15x = 303,105.06 × 148,236.57
  4. Step 4: Simplify right side
    219,981.15x = 44,931,254,444.04
  5. Step 5: Solve for x
    x = 44,931,254,444.04/219,981.15
  6. Step 6: Final answer
    x = 204,250.48

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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.