Home / 147,561.96-221,342.46-88,415.40

Finding the Fourth Proportional to 147,561.96, 221,342.46 and 88,415.40

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Solution

The fourth proportional to 147,561.96, 221,342.46 and 88,415.40 is: 132,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,561.96 : 221,342.46 = 88,415.40 : x
  2. Step 2: Convert to fraction form
    147,561.96/221,342.46 = 88,415.40/x
  3. Step 3: Cross multiply
    147,561.96x = 221,342.46 × 88,415.40
  4. Step 4: Simplify right side
    147,561.96x = 19,570,082,137.88
  5. Step 5: Solve for x
    x = 19,570,082,137.88/147,561.96
  6. Step 6: Final answer
    x = 132,622.81

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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.