Home / 117,466.82-162,104.15-66,478.63

Finding the Fourth Proportional to 117,466.82, 162,104.15 and 66,478.63

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Solution

The fourth proportional to 117,466.82, 162,104.15 and 66,478.63 is: 91,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,466.82 : 162,104.15 = 66,478.63 : x
  2. Step 2: Convert to fraction form
    117,466.82/162,104.15 = 66,478.63/x
  3. Step 3: Cross multiply
    117,466.82x = 162,104.15 × 66,478.63
  4. Step 4: Simplify right side
    117,466.82x = 10,776,460,666.40
  5. Step 5: Solve for x
    x = 10,776,460,666.40/117,466.82
  6. Step 6: Final answer
    x = 91,740.46

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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.