Home / 86,180.45-118,946.06-55,923.29

Finding the Fourth Proportional to 86,180.45, 118,946.06 and 55,923.29

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Solution

The fourth proportional to 86,180.45, 118,946.06 and 55,923.29 is: 77,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,180.45 : 118,946.06 = 55,923.29 : x
  2. Step 2: Convert to fraction form
    86,180.45/118,946.06 = 55,923.29/x
  3. Step 3: Cross multiply
    86,180.45x = 118,946.06 × 55,923.29
  4. Step 4: Simplify right side
    86,180.45x = 6,651,854,728.12
  5. Step 5: Solve for x
    x = 6,651,854,728.12/86,180.45
  6. Step 6: Final answer
    x = 77,185.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.