Home / 145,113.64-217,588.78-50,299.40

Finding the Fourth Proportional to 145,113.64, 217,588.78 and 50,299.40

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Solution

The fourth proportional to 145,113.64, 217,588.78 and 50,299.40 is: 75,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,113.64 : 217,588.78 = 50,299.40 : x
  2. Step 2: Convert to fraction form
    145,113.64/217,588.78 = 50,299.40/x
  3. Step 3: Cross multiply
    145,113.64x = 217,588.78 × 50,299.40
  4. Step 4: Simplify right side
    145,113.64x = 10,944,585,080.73
  5. Step 5: Solve for x
    x = 10,944,585,080.73/145,113.64
  6. Step 6: Final answer
    x = 75,420.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.