Home / 118,741.95-163,823.21-67,717.82

Finding the Fourth Proportional to 118,741.95, 163,823.21 and 67,717.82

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Solution

The fourth proportional to 118,741.95, 163,823.21 and 67,717.82 is: 93,427.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,741.95 : 163,823.21 = 67,717.82 : x
  2. Step 2: Convert to fraction form
    118,741.95/163,823.21 = 67,717.82/x
  3. Step 3: Cross multiply
    118,741.95x = 163,823.21 × 67,717.82
  4. Step 4: Simplify right side
    118,741.95x = 11,093,750,971.51
  5. Step 5: Solve for x
    x = 11,093,750,971.51/118,741.95
  6. Step 6: Final answer
    x = 93,427.39

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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.