Home / 156,933.49-235,267.59-68,120.23

Finding the Fourth Proportional to 156,933.49, 235,267.59 and 68,120.23

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Solution

The fourth proportional to 156,933.49, 235,267.59 and 68,120.23 is: 102,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,933.49 : 235,267.59 = 68,120.23 : x
  2. Step 2: Convert to fraction form
    156,933.49/235,267.59 = 68,120.23/x
  3. Step 3: Cross multiply
    156,933.49x = 235,267.59 × 68,120.23
  4. Step 4: Simplify right side
    156,933.49x = 16,026,482,342.35
  5. Step 5: Solve for x
    x = 16,026,482,342.35/156,933.49
  6. Step 6: Final answer
    x = 102,122.77

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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.