Home / 143,256.12-197,692.02-79,592.58

Finding the Fourth Proportional to 143,256.12, 197,692.02 and 79,592.58

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Solution

The fourth proportional to 143,256.12, 197,692.02 and 79,592.58 is: 109,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,256.12 : 197,692.02 = 79,592.58 : x
  2. Step 2: Convert to fraction form
    143,256.12/197,692.02 = 79,592.58/x
  3. Step 3: Cross multiply
    143,256.12x = 197,692.02 × 79,592.58
  4. Step 4: Simplify right side
    143,256.12x = 15,734,817,917.21
  5. Step 5: Solve for x
    x = 15,734,817,917.21/143,256.12
  6. Step 6: Final answer
    x = 109,836.97

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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.