Home / 167,210.11-230,749.32-90,729.51

Finding the Fourth Proportional to 167,210.11, 230,749.32 and 90,729.51

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Solution

The fourth proportional to 167,210.11, 230,749.32 and 90,729.51 is: 125,206.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,210.11 : 230,749.32 = 90,729.51 : x
  2. Step 2: Convert to fraction form
    167,210.11/230,749.32 = 90,729.51/x
  3. Step 3: Cross multiply
    167,210.11x = 230,749.32 × 90,729.51
  4. Step 4: Simplify right side
    167,210.11x = 20,935,772,736.43
  5. Step 5: Solve for x
    x = 20,935,772,736.43/167,210.11
  6. Step 6: Final answer
    x = 125,206.38

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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.