Home / 162,413.87-224,134.07-90,786.20

Finding the Fourth Proportional to 162,413.87, 224,134.07 and 90,786.20

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Solution

The fourth proportional to 162,413.87, 224,134.07 and 90,786.20 is: 125,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,413.87 : 224,134.07 = 90,786.20 : x
  2. Step 2: Convert to fraction form
    162,413.87/224,134.07 = 90,786.20/x
  3. Step 3: Cross multiply
    162,413.87x = 224,134.07 × 90,786.20
  4. Step 4: Simplify right side
    162,413.87x = 20,348,278,931.23
  5. Step 5: Solve for x
    x = 20,348,278,931.23/162,413.87
  6. Step 6: Final answer
    x = 125,286.59

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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.