Home / 155,847.40-234,052.70-136,493.80

Finding the Fourth Proportional to 155,847.40, 234,052.70 and 136,493.80

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Solution

The fourth proportional to 155,847.40, 234,052.70 and 136,493.80 is: 204,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,847.40 : 234,052.70 = 136,493.80 : x
  2. Step 2: Convert to fraction form
    155,847.40/234,052.70 = 136,493.80/x
  3. Step 3: Cross multiply
    155,847.40x = 234,052.70 × 136,493.80
  4. Step 4: Simplify right side
    155,847.40x = 31,946,742,423.26
  5. Step 5: Solve for x
    x = 31,946,742,423.26/155,847.40
  6. Step 6: Final answer
    x = 204,987.33

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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.