Home / 156,852.72-235,146.80-68,039.32

Finding the Fourth Proportional to 156,852.72, 235,146.80 and 68,039.32

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Solution

The fourth proportional to 156,852.72, 235,146.80 and 68,039.32 is: 102,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,852.72 : 235,146.80 = 68,039.32 : x
  2. Step 2: Convert to fraction form
    156,852.72/235,146.80 = 68,039.32/x
  3. Step 3: Cross multiply
    156,852.72x = 235,146.80 × 68,039.32
  4. Step 4: Simplify right side
    156,852.72x = 15,999,228,372.18
  5. Step 5: Solve for x
    x = 15,999,228,372.18/156,852.72
  6. Step 6: Final answer
    x = 102,001.60

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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.