Home / 148,600.90-205,065.24-90,435.82

Finding the Fourth Proportional to 148,600.90, 205,065.24 and 90,435.82

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Solution

The fourth proportional to 148,600.90, 205,065.24 and 90,435.82 is: 124,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,600.90 : 205,065.24 = 90,435.82 : x
  2. Step 2: Convert to fraction form
    148,600.90/205,065.24 = 90,435.82/x
  3. Step 3: Cross multiply
    148,600.90x = 205,065.24 × 90,435.82
  4. Step 4: Simplify right side
    148,600.90x = 18,545,243,132.90
  5. Step 5: Solve for x
    x = 18,545,243,132.90/148,600.90
  6. Step 6: Final answer
    x = 124,799.00

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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.