Home / 137,420.15-206,091.95-48,649.82

Finding the Fourth Proportional to 137,420.15, 206,091.95 and 48,649.82

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Solution

The fourth proportional to 137,420.15, 206,091.95 and 48,649.82 is: 72,961.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,420.15 : 206,091.95 = 48,649.82 : x
  2. Step 2: Convert to fraction form
    137,420.15/206,091.95 = 48,649.82/x
  3. Step 3: Cross multiply
    137,420.15x = 206,091.95 × 48,649.82
  4. Step 4: Simplify right side
    137,420.15x = 10,026,334,997.24
  5. Step 5: Solve for x
    x = 10,026,334,997.24/137,420.15
  6. Step 6: Final answer
    x = 72,961.17

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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.