Home / 156,725.70-235,088.55-154,392.90

Finding the Fourth Proportional to 156,725.70, 235,088.55 and 154,392.90

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Solution

The fourth proportional to 156,725.70, 235,088.55 and 154,392.90 is: 231,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,725.70 : 235,088.55 = 154,392.90 : x
  2. Step 2: Convert to fraction form
    156,725.70/235,088.55 = 154,392.90/x
  3. Step 3: Cross multiply
    156,725.70x = 235,088.55 × 154,392.90
  4. Step 4: Simplify right side
    156,725.70x = 36,296,002,991.30
  5. Step 5: Solve for x
    x = 36,296,002,991.30/156,725.70
  6. Step 6: Final answer
    x = 231,589.35

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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.