Home / 156,043.60-234,065.40-143,141.20

Finding the Fourth Proportional to 156,043.60, 234,065.40 and 143,141.20

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Solution

The fourth proportional to 156,043.60, 234,065.40 and 143,141.20 is: 214,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,043.60 : 234,065.40 = 143,141.20 : x
  2. Step 2: Convert to fraction form
    156,043.60/234,065.40 = 143,141.20/x
  3. Step 3: Cross multiply
    156,043.60x = 234,065.40 × 143,141.20
  4. Step 4: Simplify right side
    156,043.60x = 33,504,402,234.48
  5. Step 5: Solve for x
    x = 33,504,402,234.48/156,043.60
  6. Step 6: Final answer
    x = 214,711.80

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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.