Home / 156,005.09-234,042.72-49,395.42

Finding the Fourth Proportional to 156,005.09, 234,042.72 and 49,395.42

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Solution

The fourth proportional to 156,005.09, 234,042.72 and 49,395.42 is: 74,104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,005.09 : 234,042.72 = 49,395.42 : x
  2. Step 2: Convert to fraction form
    156,005.09/234,042.72 = 49,395.42/x
  3. Step 3: Cross multiply
    156,005.09x = 234,042.72 × 49,395.42
  4. Step 4: Simplify right side
    156,005.09x = 11,560,638,267.11
  5. Step 5: Solve for x
    x = 11,560,638,267.11/156,005.09
  6. Step 6: Final answer
    x = 74,104.24

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1.5x scale

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.