Home / 142,850.28-214,275.78-43,010.76

Finding the Fourth Proportional to 142,850.28, 214,275.78 and 43,010.76

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Solution

The fourth proportional to 142,850.28, 214,275.78 and 43,010.76 is: 64,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,850.28 : 214,275.78 = 43,010.76 : x
  2. Step 2: Convert to fraction form
    142,850.28/214,275.78 = 43,010.76/x
  3. Step 3: Cross multiply
    142,850.28x = 214,275.78 × 43,010.76
  4. Step 4: Simplify right side
    142,850.28x = 9,216,164,147.39
  5. Step 5: Solve for x
    x = 9,216,164,147.39/142,850.28
  6. Step 6: Final answer
    x = 64,516.25

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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.