Home / 156,236.16-234,393.12-45,428.16

Finding the Fourth Proportional to 156,236.16, 234,393.12 and 45,428.16

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Solution

The fourth proportional to 156,236.16, 234,393.12 and 45,428.16 is: 68,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,236.16 : 234,393.12 = 45,428.16 : x
  2. Step 2: Convert to fraction form
    156,236.16/234,393.12 = 45,428.16/x
  3. Step 3: Cross multiply
    156,236.16x = 234,393.12 × 45,428.16
  4. Step 4: Simplify right side
    156,236.16x = 10,648,048,158.26
  5. Step 5: Solve for x
    x = 10,648,048,158.26/156,236.16
  6. Step 6: Final answer
    x = 68,153.54

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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.