Home / 82,130.28-113,343.64-46,319.54

Finding the Fourth Proportional to 82,130.28, 113,343.64 and 46,319.54

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Solution

The fourth proportional to 82,130.28, 113,343.64 and 46,319.54 is: 63,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,130.28 : 113,343.64 = 46,319.54 : x
  2. Step 2: Convert to fraction form
    82,130.28/113,343.64 = 46,319.54/x
  3. Step 3: Cross multiply
    82,130.28x = 113,343.64 × 46,319.54
  4. Step 4: Simplify right side
    82,130.28x = 5,250,025,266.73
  5. Step 5: Solve for x
    x = 5,250,025,266.73/82,130.28
  6. Step 6: Final answer
    x = 63,923.14

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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.