Home / 156,930.49-235,263.09-68,117.23

Finding the Fourth Proportional to 156,930.49, 235,263.09 and 68,117.23

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Solution

The fourth proportional to 156,930.49, 235,263.09 and 68,117.23 is: 102,118.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,930.49 : 235,263.09 = 68,117.23 : x
  2. Step 2: Convert to fraction form
    156,930.49/235,263.09 = 68,117.23/x
  3. Step 3: Cross multiply
    156,930.49x = 235,263.09 × 68,117.23
  4. Step 4: Simplify right side
    156,930.49x = 16,025,470,012.04
  5. Step 5: Solve for x
    x = 16,025,470,012.04/156,930.49
  6. Step 6: Final answer
    x = 102,118.27

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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.