Home / 112,532.20-168,692.70-42,458.60

Finding the Fourth Proportional to 112,532.20, 168,692.70 and 42,458.60

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Solution

The fourth proportional to 112,532.20, 168,692.70 and 42,458.60 is: 63,648.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,532.20 : 168,692.70 = 42,458.60 : x
  2. Step 2: Convert to fraction form
    112,532.20/168,692.70 = 42,458.60/x
  3. Step 3: Cross multiply
    112,532.20x = 168,692.70 × 42,458.60
  4. Step 4: Simplify right side
    112,532.20x = 7,162,455,872.22
  5. Step 5: Solve for x
    x = 7,162,455,872.22/112,532.20
  6. Step 6: Final answer
    x = 63,648.06

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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.