Home / 156,669.84-235,044.72-51,489.72

Finding the Fourth Proportional to 156,669.84, 235,044.72 and 51,489.72

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Solution

The fourth proportional to 156,669.84, 235,044.72 and 51,489.72 is: 77,247.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,669.84 : 235,044.72 = 51,489.72 : x
  2. Step 2: Convert to fraction form
    156,669.84/235,044.72 = 51,489.72/x
  3. Step 3: Cross multiply
    156,669.84x = 235,044.72 × 51,489.72
  4. Step 4: Simplify right side
    156,669.84x = 12,102,386,820.28
  5. Step 5: Solve for x
    x = 12,102,386,820.28/156,669.84
  6. Step 6: Final answer
    x = 77,247.71

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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.