Home / 162,329.05-224,009.78-90,709.66

Finding the Fourth Proportional to 162,329.05, 224,009.78 and 90,709.66

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Solution

The fourth proportional to 162,329.05, 224,009.78 and 90,709.66 is: 125,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,329.05 : 224,009.78 = 90,709.66 : x
  2. Step 2: Convert to fraction form
    162,329.05/224,009.78 = 90,709.66/x
  3. Step 3: Cross multiply
    162,329.05x = 224,009.78 × 90,709.66
  4. Step 4: Simplify right side
    162,329.05x = 20,319,850,806.94
  5. Step 5: Solve for x
    x = 20,319,850,806.94/162,329.05
  6. Step 6: Final answer
    x = 125,176.92

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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.