Home / 156,722.70-235,084.05-154,389.90

Finding the Fourth Proportional to 156,722.70, 235,084.05 and 154,389.90

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Solution

The fourth proportional to 156,722.70, 235,084.05 and 154,389.90 is: 231,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,722.70 : 235,084.05 = 154,389.90 : x
  2. Step 2: Convert to fraction form
    156,722.70/235,084.05 = 154,389.90/x
  3. Step 3: Cross multiply
    156,722.70x = 235,084.05 × 154,389.90
  4. Step 4: Simplify right side
    156,722.70x = 36,294,602,971.10
  5. Step 5: Solve for x
    x = 36,294,602,971.10/156,722.70
  6. Step 6: Final answer
    x = 231,584.85

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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.