Home / 120,858.27-181,281.93-41,978.64

Finding the Fourth Proportional to 120,858.27, 181,281.93 and 41,978.64

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Solution

The fourth proportional to 120,858.27, 181,281.93 and 41,978.64 is: 62,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,858.27 : 181,281.93 = 41,978.64 : x
  2. Step 2: Convert to fraction form
    120,858.27/181,281.93 = 41,978.64/x
  3. Step 3: Cross multiply
    120,858.27x = 181,281.93 × 41,978.64
  4. Step 4: Simplify right side
    120,858.27x = 7,609,968,877.98
  5. Step 5: Solve for x
    x = 7,609,968,877.98/120,858.27
  6. Step 6: Final answer
    x = 62,966.06

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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.