Home / 81,990.10-113,157.03-46,187.02

Finding the Fourth Proportional to 81,990.10, 113,157.03 and 46,187.02

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Solution

The fourth proportional to 81,990.10, 113,157.03 and 46,187.02 is: 63,744.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,990.10 : 113,157.03 = 46,187.02 : x
  2. Step 2: Convert to fraction form
    81,990.10/113,157.03 = 46,187.02/x
  3. Step 3: Cross multiply
    81,990.10x = 113,157.03 × 46,187.02
  4. Step 4: Simplify right side
    81,990.10x = 5,226,386,007.75
  5. Step 5: Solve for x
    x = 5,226,386,007.75/81,990.10
  6. Step 6: Final answer
    x = 63,744.11

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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.