Home / 148,433.78-204,816.75-90,260.84

Finding the Fourth Proportional to 148,433.78, 204,816.75 and 90,260.84

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Solution

The fourth proportional to 148,433.78, 204,816.75 and 90,260.84 is: 124,546.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,433.78 : 204,816.75 = 90,260.84 : x
  2. Step 2: Convert to fraction form
    148,433.78/204,816.75 = 90,260.84/x
  3. Step 3: Cross multiply
    148,433.78x = 204,816.75 × 90,260.84
  4. Step 4: Simplify right side
    148,433.78x = 18,486,931,901.07
  5. Step 5: Solve for x
    x = 18,486,931,901.07/148,433.78
  6. Step 6: Final answer
    x = 124,546.66

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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.