Home / 201,529.40-302,839.70-108,102.20

Finding the Fourth Proportional to 201,529.40, 302,839.70 and 108,102.20

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Solution

The fourth proportional to 201,529.40, 302,839.70 and 108,102.20 is: 162,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,529.40 : 302,839.70 = 108,102.20 : x
  2. Step 2: Convert to fraction form
    201,529.40/302,839.70 = 108,102.20/x
  3. Step 3: Cross multiply
    201,529.40x = 302,839.70 × 108,102.20
  4. Step 4: Simplify right side
    201,529.40x = 32,737,637,817.34
  5. Step 5: Solve for x
    x = 32,737,637,817.34/201,529.40
  6. Step 6: Final answer
    x = 162,445.96

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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.