Home / 82,154.16-113,372.40-44,428.32

Finding the Fourth Proportional to 82,154.16, 113,372.40 and 44,428.32

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Solution

The fourth proportional to 82,154.16, 113,372.40 and 44,428.32 is: 61,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,154.16 : 113,372.40 = 44,428.32 : x
  2. Step 2: Convert to fraction form
    82,154.16/113,372.40 = 44,428.32/x
  3. Step 3: Cross multiply
    82,154.16x = 113,372.40 × 44,428.32
  4. Step 4: Simplify right side
    82,154.16x = 5,036,945,266.37
  5. Step 5: Solve for x
    x = 5,036,945,266.37/82,154.16
  6. Step 6: Final answer
    x = 61,310.90

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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.