Home / 82,197.21-113,431.95-46,387.11

Finding the Fourth Proportional to 82,197.21, 113,431.95 and 46,387.11

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Solution

The fourth proportional to 82,197.21, 113,431.95 and 46,387.11 is: 64,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,197.21 : 113,431.95 = 46,387.11 : x
  2. Step 2: Convert to fraction form
    82,197.21/113,431.95 = 46,387.11/x
  3. Step 3: Cross multiply
    82,197.21x = 113,431.95 × 46,387.11
  4. Step 4: Simplify right side
    82,197.21x = 5,261,780,342.16
  5. Step 5: Solve for x
    x = 5,261,780,342.16/82,197.21
  6. Step 6: Final answer
    x = 64,014.10

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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.