Home / 116,389.81-174,449.31-66,504.88

Finding the Fourth Proportional to 116,389.81, 174,449.31 and 66,504.88

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Solution

The fourth proportional to 116,389.81, 174,449.31 and 66,504.88 is: 99,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,389.81 : 174,449.31 = 66,504.88 : x
  2. Step 2: Convert to fraction form
    116,389.81/174,449.31 = 66,504.88/x
  3. Step 3: Cross multiply
    116,389.81x = 174,449.31 × 66,504.88
  4. Step 4: Simplify right side
    116,389.81x = 11,601,730,427.63
  5. Step 5: Solve for x
    x = 11,601,730,427.63/116,389.81
  6. Step 6: Final answer
    x = 99,679.95

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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.