Home / 147,649.76-221,503.82-54,156.32

Finding the Fourth Proportional to 147,649.76, 221,503.82 and 54,156.32

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Solution

The fourth proportional to 147,649.76, 221,503.82 and 54,156.32 is: 81,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,649.76 : 221,503.82 = 54,156.32 : x
  2. Step 2: Convert to fraction form
    147,649.76/221,503.82 = 54,156.32/x
  3. Step 3: Cross multiply
    147,649.76x = 221,503.82 × 54,156.32
  4. Step 4: Simplify right side
    147,649.76x = 11,995,831,757.14
  5. Step 5: Solve for x
    x = 11,995,831,757.14/147,649.76
  6. Step 6: Final answer
    x = 81,245.18

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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.