Home / 158,815.69-237,999.56-87,770.32

Finding the Fourth Proportional to 158,815.69, 237,999.56 and 87,770.32

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Solution

The fourth proportional to 158,815.69, 237,999.56 and 87,770.32 is: 131,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,815.69 : 237,999.56 = 87,770.32 : x
  2. Step 2: Convert to fraction form
    158,815.69/237,999.56 = 87,770.32/x
  3. Step 3: Cross multiply
    158,815.69x = 237,999.56 × 87,770.32
  4. Step 4: Simplify right side
    158,815.69x = 20,889,296,570.49
  5. Step 5: Solve for x
    x = 20,889,296,570.49/158,815.69
  6. Step 6: Final answer
    x = 131,531.70

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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.