Home / 166,908.11-230,332.22-90,428.72

Finding the Fourth Proportional to 166,908.11, 230,332.22 and 90,428.72

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Solution

The fourth proportional to 166,908.11, 230,332.22 and 90,428.72 is: 124,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,908.11 : 230,332.22 = 90,428.72 : x
  2. Step 2: Convert to fraction form
    166,908.11/230,332.22 = 90,428.72/x
  3. Step 3: Cross multiply
    166,908.11x = 230,332.22 × 90,428.72
  4. Step 4: Simplify right side
    166,908.11x = 20,828,646,225.55
  5. Step 5: Solve for x
    x = 20,828,646,225.55/166,908.11
  6. Step 6: Final answer
    x = 124,791.10

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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.