Home / 156,916.70-235,375.05-145,396.70

Finding the Fourth Proportional to 156,916.70, 235,375.05 and 145,396.70

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Solution

The fourth proportional to 156,916.70, 235,375.05 and 145,396.70 is: 218,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,916.70 : 235,375.05 = 145,396.70 : x
  2. Step 2: Convert to fraction form
    156,916.70/235,375.05 = 145,396.70/x
  3. Step 3: Cross multiply
    156,916.70x = 235,375.05 × 145,396.70
  4. Step 4: Simplify right side
    156,916.70x = 34,222,755,532.34
  5. Step 5: Solve for x
    x = 34,222,755,532.34/156,916.70
  6. Step 6: Final answer
    x = 218,095.05

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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.