Home / 147,815.90-221,697.01-51,767.21

Finding the Fourth Proportional to 147,815.90, 221,697.01 and 51,767.21

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Solution

The fourth proportional to 147,815.90, 221,697.01 and 51,767.21 is: 77,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,815.90 : 221,697.01 = 51,767.21 : x
  2. Step 2: Convert to fraction form
    147,815.90/221,697.01 = 51,767.21/x
  3. Step 3: Cross multiply
    147,815.90x = 221,697.01 × 51,767.21
  4. Step 4: Simplify right side
    147,815.90x = 11,476,634,305.72
  5. Step 5: Solve for x
    x = 11,476,634,305.72/147,815.90
  6. Step 6: Final answer
    x = 77,641.41

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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.