Home / 147,888-221,883.84-64,788.48

Finding the Fourth Proportional to 147,888, 221,883.84 and 64,788.48

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Solution

The fourth proportional to 147,888, 221,883.84 and 64,788.48 is: 97,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,888 : 221,883.84 = 64,788.48 : x
  2. Step 2: Convert to fraction form
    147,888/221,883.84 = 64,788.48/x
  3. Step 3: Cross multiply
    147,888x = 221,883.84 × 64,788.48
  4. Step 4: Simplify right side
    147,888x = 14,375,516,730.16
  5. Step 5: Solve for x
    x = 14,375,516,730.16/147,888
  6. Step 6: Final answer
    x = 97,205.43

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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.