Home / 148,274.06-204,668.10-90,130.58

Finding the Fourth Proportional to 148,274.06, 204,668.10 and 90,130.58

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Solution

The fourth proportional to 148,274.06, 204,668.10 and 90,130.58 is: 124,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,274.06 : 204,668.10 = 90,130.58 : x
  2. Step 2: Convert to fraction form
    148,274.06/204,668.10 = 90,130.58/x
  3. Step 3: Cross multiply
    148,274.06x = 204,668.10 × 90,130.58
  4. Step 4: Simplify right side
    148,274.06x = 18,446,855,455.92
  5. Step 5: Solve for x
    x = 18,446,855,455.92/148,274.06
  6. Step 6: Final answer
    x = 124,410.54

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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.