Home / 89,159.68-133,738.17-21,692.35

Finding the Fourth Proportional to 89,159.68, 133,738.17 and 21,692.35

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Solution

The fourth proportional to 89,159.68, 133,738.17 and 21,692.35 is: 32,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,159.68 : 133,738.17 = 21,692.35 : x
  2. Step 2: Convert to fraction form
    89,159.68/133,738.17 = 21,692.35/x
  3. Step 3: Cross multiply
    89,159.68x = 133,738.17 × 21,692.35
  4. Step 4: Simplify right side
    89,159.68x = 2,901,095,192.00
  5. Step 5: Solve for x
    x = 2,901,095,192.00/89,159.68
  6. Step 6: Final answer
    x = 32,538.20

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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.