Home / 148,190.66-222,286.15-69,360.25

Finding the Fourth Proportional to 148,190.66, 222,286.15 and 69,360.25

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Solution

The fourth proportional to 148,190.66, 222,286.15 and 69,360.25 is: 104,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,190.66 : 222,286.15 = 69,360.25 : x
  2. Step 2: Convert to fraction form
    148,190.66/222,286.15 = 69,360.25/x
  3. Step 3: Cross multiply
    148,190.66x = 222,286.15 × 69,360.25
  4. Step 4: Simplify right side
    148,190.66x = 15,417,822,688.23
  5. Step 5: Solve for x
    x = 15,417,822,688.23/148,190.66
  6. Step 6: Final answer
    x = 104,040.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.