Home / 161,511.52-242,307.78-95,007.28

Finding the Fourth Proportional to 161,511.52, 242,307.78 and 95,007.28

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Solution

The fourth proportional to 161,511.52, 242,307.78 and 95,007.28 is: 142,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,511.52 : 242,307.78 = 95,007.28 : x
  2. Step 2: Convert to fraction form
    161,511.52/242,307.78 = 95,007.28/x
  3. Step 3: Cross multiply
    161,511.52x = 242,307.78 × 95,007.28
  4. Step 4: Simplify right side
    161,511.52x = 23,021,003,100.64
  5. Step 5: Solve for x
    x = 23,021,003,100.64/161,511.52
  6. Step 6: Final answer
    x = 142,534.74

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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.