Home / 147,738.48-221,600.40-54,237.12

Finding the Fourth Proportional to 147,738.48, 221,600.40 and 54,237.12

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Solution

The fourth proportional to 147,738.48, 221,600.40 and 54,237.12 is: 81,352.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,738.48 : 221,600.40 = 54,237.12 : x
  2. Step 2: Convert to fraction form
    147,738.48/221,600.40 = 54,237.12/x
  3. Step 3: Cross multiply
    147,738.48x = 221,600.40 × 54,237.12
  4. Step 4: Simplify right side
    147,738.48x = 12,018,967,486.85
  5. Step 5: Solve for x
    x = 12,018,967,486.85/147,738.48
  6. Step 6: Final answer
    x = 81,352.99

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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.