Home / 166,695.28-230,037.71-90,212.70

Finding the Fourth Proportional to 166,695.28, 230,037.71 and 90,212.70

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Solution

The fourth proportional to 166,695.28, 230,037.71 and 90,212.70 is: 124,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,695.28 : 230,037.71 = 90,212.70 : x
  2. Step 2: Convert to fraction form
    166,695.28/230,037.71 = 90,212.70/x
  3. Step 3: Cross multiply
    166,695.28x = 230,037.71 × 90,212.70
  4. Step 4: Simplify right side
    166,695.28x = 20,752,323,332.49
  5. Step 5: Solve for x
    x = 20,752,323,332.49/166,695.28
  6. Step 6: Final answer
    x = 124,492.57

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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.