Home / 137,557.04-206,335.62-90,798.98

Finding the Fourth Proportional to 137,557.04, 206,335.62 and 90,798.98

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Solution

The fourth proportional to 137,557.04, 206,335.62 and 90,798.98 is: 136,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,557.04 : 206,335.62 = 90,798.98 : x
  2. Step 2: Convert to fraction form
    137,557.04/206,335.62 = 90,798.98/x
  3. Step 3: Cross multiply
    137,557.04x = 206,335.62 × 90,798.98
  4. Step 4: Simplify right side
    137,557.04x = 18,735,063,833.67
  5. Step 5: Solve for x
    x = 18,735,063,833.67/137,557.04
  6. Step 6: Final answer
    x = 136,198.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.