Home / 78,741.73-118,161.93-52,464.94

Finding the Fourth Proportional to 78,741.73, 118,161.93 and 52,464.94

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Solution

The fourth proportional to 78,741.73, 118,161.93 and 52,464.94 is: 78,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,741.73 : 118,161.93 = 52,464.94 : x
  2. Step 2: Convert to fraction form
    78,741.73/118,161.93 = 52,464.94/x
  3. Step 3: Cross multiply
    78,741.73x = 118,161.93 × 52,464.94
  4. Step 4: Simplify right side
    78,741.73x = 6,199,358,567.73
  5. Step 5: Solve for x
    x = 6,199,358,567.73/78,741.73
  6. Step 6: Final answer
    x = 78,730.28

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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.