Home / 147,692.40-221,538.60-131,362.80

Finding the Fourth Proportional to 147,692.40, 221,538.60 and 131,362.80

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Solution

The fourth proportional to 147,692.40, 221,538.60 and 131,362.80 is: 197,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,692.40 : 221,538.60 = 131,362.80 : x
  2. Step 2: Convert to fraction form
    147,692.40/221,538.60 = 131,362.80/x
  3. Step 3: Cross multiply
    147,692.40x = 221,538.60 × 131,362.80
  4. Step 4: Simplify right side
    147,692.40x = 29,101,930,804.08
  5. Step 5: Solve for x
    x = 29,101,930,804.08/147,692.40
  6. Step 6: Final answer
    x = 197,044.20

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1.5x scale

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.