Home / 118,704.08-163,812.10-64,994.09

Finding the Fourth Proportional to 118,704.08, 163,812.10 and 64,994.09

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Solution

The fourth proportional to 118,704.08, 163,812.10 and 64,994.09 is: 89,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,704.08 : 163,812.10 = 64,994.09 : x
  2. Step 2: Convert to fraction form
    118,704.08/163,812.10 = 64,994.09/x
  3. Step 3: Cross multiply
    118,704.08x = 163,812.10 × 64,994.09
  4. Step 4: Simplify right side
    118,704.08x = 10,646,817,551.43
  5. Step 5: Solve for x
    x = 10,646,817,551.43/118,704.08
  6. Step 6: Final answer
    x = 89,692.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.