Home / 77,673.50-116,259.64-40,181.94

Finding the Fourth Proportional to 77,673.50, 116,259.64 and 40,181.94

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Solution

The fourth proportional to 77,673.50, 116,259.64 and 40,181.94 is: 60,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,673.50 : 116,259.64 = 40,181.94 : x
  2. Step 2: Convert to fraction form
    77,673.50/116,259.64 = 40,181.94/x
  3. Step 3: Cross multiply
    77,673.50x = 116,259.64 × 40,181.94
  4. Step 4: Simplify right side
    77,673.50x = 4,671,537,878.90
  5. Step 5: Solve for x
    x = 4,671,537,878.90/77,673.50
  6. Step 6: Final answer
    x = 60,143.26

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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.