Home / 147,817.28-221,699.07-51,768.59

Finding the Fourth Proportional to 147,817.28, 221,699.07 and 51,768.59

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Solution

The fourth proportional to 147,817.28, 221,699.07 and 51,768.59 is: 77,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,817.28 : 221,699.07 = 51,768.59 : x
  2. Step 2: Convert to fraction form
    147,817.28/221,699.07 = 51,768.59/x
  3. Step 3: Cross multiply
    147,817.28x = 221,699.07 × 51,768.59
  4. Step 4: Simplify right side
    147,817.28x = 11,477,047,149.72
  5. Step 5: Solve for x
    x = 11,477,047,149.72/147,817.28
  6. Step 6: Final answer
    x = 77,643.48

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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.