Home / 148,103.79-204,384.20-90,743.24

Finding the Fourth Proportional to 148,103.79, 204,384.20 and 90,743.24

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Solution

The fourth proportional to 148,103.79, 204,384.20 and 90,743.24 is: 125,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,103.79 : 204,384.20 = 90,743.24 : x
  2. Step 2: Convert to fraction form
    148,103.79/204,384.20 = 90,743.24/x
  3. Step 3: Cross multiply
    148,103.79x = 204,384.20 × 90,743.24
  4. Step 4: Simplify right side
    148,103.79x = 18,546,483,037.17
  5. Step 5: Solve for x
    x = 18,546,483,037.17/148,103.79
  6. Step 6: Final answer
    x = 125,226.26

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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.