Home / 117,001.53-161,448.23-66,011.29

Finding the Fourth Proportional to 117,001.53, 161,448.23 and 66,011.29

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Solution

The fourth proportional to 117,001.53, 161,448.23 and 66,011.29 is: 91,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,001.53 : 161,448.23 = 66,011.29 : x
  2. Step 2: Convert to fraction form
    117,001.53/161,448.23 = 66,011.29/x
  3. Step 3: Cross multiply
    117,001.53x = 161,448.23 × 66,011.29
  4. Step 4: Simplify right side
    117,001.53x = 10,657,405,930.52
  5. Step 5: Solve for x
    x = 10,657,405,930.52/117,001.53
  6. Step 6: Final answer
    x = 91,087.75

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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.