Home / 117,361.22-176,055.48-42,516.60

Finding the Fourth Proportional to 117,361.22, 176,055.48 and 42,516.60

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Solution

The fourth proportional to 117,361.22, 176,055.48 and 42,516.60 is: 63,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,361.22 : 176,055.48 = 42,516.60 : x
  2. Step 2: Convert to fraction form
    117,361.22/176,055.48 = 42,516.60/x
  3. Step 3: Cross multiply
    117,361.22x = 176,055.48 × 42,516.60
  4. Step 4: Simplify right side
    117,361.22x = 7,485,280,420.97
  5. Step 5: Solve for x
    x = 7,485,280,420.97/117,361.22
  6. Step 6: Final answer
    x = 63,779.85

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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.