Home / 190,025.28-262,230.76-103,983.88

Finding the Fourth Proportional to 190,025.28, 262,230.76 and 103,983.88

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Solution

The fourth proportional to 190,025.28, 262,230.76 and 103,983.88 is: 143,495.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,025.28 : 262,230.76 = 103,983.88 : x
  2. Step 2: Convert to fraction form
    190,025.28/262,230.76 = 103,983.88/x
  3. Step 3: Cross multiply
    190,025.28x = 262,230.76 × 103,983.88
  4. Step 4: Simplify right side
    190,025.28x = 27,267,771,880.15
  5. Step 5: Solve for x
    x = 27,267,771,880.15/190,025.28
  6. Step 6: Final answer
    x = 143,495.50

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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.