Home / 117,683.15-162,405.91-63,971.81

Finding the Fourth Proportional to 117,683.15, 162,405.91 and 63,971.81

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Solution

The fourth proportional to 117,683.15, 162,405.91 and 63,971.81 is: 88,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,683.15 : 162,405.91 = 63,971.81 : x
  2. Step 2: Convert to fraction form
    117,683.15/162,405.91 = 63,971.81/x
  3. Step 3: Cross multiply
    117,683.15x = 162,405.91 × 63,971.81
  4. Step 4: Simplify right side
    117,683.15x = 10,389,399,894.35
  5. Step 5: Solve for x
    x = 10,389,399,894.35/117,683.15
  6. Step 6: Final answer
    x = 88,282.82

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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.