Home / 156,136.50-234,211.23-45,328.50

Finding the Fourth Proportional to 156,136.50, 234,211.23 and 45,328.50

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Solution

The fourth proportional to 156,136.50, 234,211.23 and 45,328.50 is: 67,994.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,136.50 : 234,211.23 = 45,328.50 : x
  2. Step 2: Convert to fraction form
    156,136.50/234,211.23 = 45,328.50/x
  3. Step 3: Cross multiply
    156,136.50x = 234,211.23 × 45,328.50
  4. Step 4: Simplify right side
    156,136.50x = 10,616,443,739.06
  5. Step 5: Solve for x
    x = 10,616,443,739.06/156,136.50
  6. Step 6: Final answer
    x = 67,994.63

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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.