Home / 156,223.09-234,297.60-67,428.10

Finding the Fourth Proportional to 156,223.09, 234,297.60 and 67,428.10

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Solution

The fourth proportional to 156,223.09, 234,297.60 and 67,428.10 is: 101,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,223.09 : 234,297.60 = 67,428.10 : x
  2. Step 2: Convert to fraction form
    156,223.09/234,297.60 = 67,428.10/x
  3. Step 3: Cross multiply
    156,223.09x = 234,297.60 × 67,428.10
  4. Step 4: Simplify right side
    156,223.09x = 15,798,242,002.56
  5. Step 5: Solve for x
    x = 15,798,242,002.56/156,223.09
  6. Step 6: Final answer
    x = 101,126.17

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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.