Home / 156,071.90-234,102.36-43,751.22

Finding the Fourth Proportional to 156,071.90, 234,102.36 and 43,751.22

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Solution

The fourth proportional to 156,071.90, 234,102.36 and 43,751.22 is: 65,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,071.90 : 234,102.36 = 43,751.22 : x
  2. Step 2: Convert to fraction form
    156,071.90/234,102.36 = 43,751.22/x
  3. Step 3: Cross multiply
    156,071.90x = 234,102.36 × 43,751.22
  4. Step 4: Simplify right side
    156,071.90x = 10,242,263,854.88
  5. Step 5: Solve for x
    x = 10,242,263,854.88/156,071.90
  6. Step 6: Final answer
    x = 65,625.29

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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.