Home / 156,431.51-234,691.01-51,324.29

Finding the Fourth Proportional to 156,431.51, 234,691.01 and 51,324.29

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Solution

The fourth proportional to 156,431.51, 234,691.01 and 51,324.29 is: 77,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,431.51 : 234,691.01 = 51,324.29 : x
  2. Step 2: Convert to fraction form
    156,431.51/234,691.01 = 51,324.29/x
  3. Step 3: Cross multiply
    156,431.51x = 234,691.01 × 51,324.29
  4. Step 4: Simplify right side
    156,431.51x = 12,045,349,457.63
  5. Step 5: Solve for x
    x = 12,045,349,457.63/156,431.51
  6. Step 6: Final answer
    x = 77,000.79

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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.