Home / 147,621.62-221,378.06-52,826.10

Finding the Fourth Proportional to 147,621.62, 221,378.06 and 52,826.10

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Solution

The fourth proportional to 147,621.62, 221,378.06 and 52,826.10 is: 79,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,621.62 : 221,378.06 = 52,826.10 : x
  2. Step 2: Convert to fraction form
    147,621.62/221,378.06 = 52,826.10/x
  3. Step 3: Cross multiply
    147,621.62x = 221,378.06 × 52,826.10
  4. Step 4: Simplify right side
    147,621.62x = 11,694,539,535.37
  5. Step 5: Solve for x
    x = 11,694,539,535.37/147,621.62
  6. Step 6: Final answer
    x = 79,219.69

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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.