Home / 166,695.05-230,039.45-90,214.21

Finding the Fourth Proportional to 166,695.05, 230,039.45 and 90,214.21

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Solution

The fourth proportional to 166,695.05, 230,039.45 and 90,214.21 is: 124,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,695.05 : 230,039.45 = 90,214.21 : x
  2. Step 2: Convert to fraction form
    166,695.05/230,039.45 = 90,214.21/x
  3. Step 3: Cross multiply
    166,695.05x = 230,039.45 × 90,214.21
  4. Step 4: Simplify right side
    166,695.05x = 20,752,828,000.46
  5. Step 5: Solve for x
    x = 20,752,828,000.46/166,695.05
  6. Step 6: Final answer
    x = 124,495.77

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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.