Home / 142,851.28-214,277.28-43,011.76

Finding the Fourth Proportional to 142,851.28, 214,277.28 and 43,011.76

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Solution

The fourth proportional to 142,851.28, 214,277.28 and 43,011.76 is: 64,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,851.28 : 214,277.28 = 43,011.76 : x
  2. Step 2: Convert to fraction form
    142,851.28/214,277.28 = 43,011.76/x
  3. Step 3: Cross multiply
    142,851.28x = 214,277.28 × 43,011.76
  4. Step 4: Simplify right side
    142,851.28x = 9,216,442,940.81
  5. Step 5: Solve for x
    x = 9,216,442,940.81/142,851.28
  6. Step 6: Final answer
    x = 64,517.75

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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.