Home / 219,880.36-303,440.34-134,949.16

Finding the Fourth Proportional to 219,880.36, 303,440.34 and 134,949.16

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Solution

The fourth proportional to 219,880.36, 303,440.34 and 134,949.16 is: 186,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,880.36 : 303,440.34 = 134,949.16 : x
  2. Step 2: Convert to fraction form
    219,880.36/303,440.34 = 134,949.16/x
  3. Step 3: Cross multiply
    219,880.36x = 303,440.34 × 134,949.16
  4. Step 4: Simplify right side
    219,880.36x = 40,949,018,993.11
  5. Step 5: Solve for x
    x = 40,949,018,993.11/219,880.36
  6. Step 6: Final answer
    x = 186,233.18

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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.