Home / 147,846.32-221,886.16-68,919.92

Finding the Fourth Proportional to 147,846.32, 221,886.16 and 68,919.92

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Solution

The fourth proportional to 147,846.32, 221,886.16 and 68,919.92 is: 103,434.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,846.32 : 221,886.16 = 68,919.92 : x
  2. Step 2: Convert to fraction form
    147,846.32/221,886.16 = 68,919.92/x
  3. Step 3: Cross multiply
    147,846.32x = 221,886.16 × 68,919.92
  4. Step 4: Simplify right side
    147,846.32x = 15,292,376,396.31
  5. Step 5: Solve for x
    x = 15,292,376,396.31/147,846.32
  6. Step 6: Final answer
    x = 103,434.27

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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.