Home / 148,275.06-204,669.48-90,131.58

Finding the Fourth Proportional to 148,275.06, 204,669.48 and 90,131.58

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Solution

The fourth proportional to 148,275.06, 204,669.48 and 90,131.58 is: 124,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,275.06 : 204,669.48 = 90,131.58 : x
  2. Step 2: Convert to fraction form
    148,275.06/204,669.48 = 90,131.58/x
  3. Step 3: Cross multiply
    148,275.06x = 204,669.48 × 90,131.58
  4. Step 4: Simplify right side
    148,275.06x = 18,447,183,610.18
  5. Step 5: Solve for x
    x = 18,447,183,610.18/148,275.06
  6. Step 6: Final answer
    x = 124,411.91

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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.