Home / 156,869.10-235,309.17-50,256.30

Finding the Fourth Proportional to 156,869.10, 235,309.17 and 50,256.30

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Solution

The fourth proportional to 156,869.10, 235,309.17 and 50,256.30 is: 75,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,869.10 : 235,309.17 = 50,256.30 : x
  2. Step 2: Convert to fraction form
    156,869.10/235,309.17 = 50,256.30/x
  3. Step 3: Cross multiply
    156,869.10x = 235,309.17 × 50,256.30
  4. Step 4: Simplify right side
    156,869.10x = 11,825,768,240.27
  5. Step 5: Solve for x
    x = 11,825,768,240.27/156,869.10
  6. Step 6: Final answer
    x = 75,386.22

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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.