Home / 113,399.40-170,107.38-38,489.16

Finding the Fourth Proportional to 113,399.40, 170,107.38 and 38,489.16

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Solution

The fourth proportional to 113,399.40, 170,107.38 and 38,489.16 is: 57,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,399.40 : 170,107.38 = 38,489.16 : x
  2. Step 2: Convert to fraction form
    113,399.40/170,107.38 = 38,489.16/x
  3. Step 3: Cross multiply
    113,399.40x = 170,107.38 × 38,489.16
  4. Step 4: Simplify right side
    113,399.40x = 6,547,290,166.00
  5. Step 5: Solve for x
    x = 6,547,290,166.00/113,399.40
  6. Step 6: Final answer
    x = 57,736.55

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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.