Home / 119,985.54-165,579.03-66,274.26

Finding the Fourth Proportional to 119,985.54, 165,579.03 and 66,274.26

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Solution

The fourth proportional to 119,985.54, 165,579.03 and 66,274.26 is: 91,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,985.54 : 165,579.03 = 66,274.26 : x
  2. Step 2: Convert to fraction form
    119,985.54/165,579.03 = 66,274.26/x
  3. Step 3: Cross multiply
    119,985.54x = 165,579.03 × 66,274.26
  4. Step 4: Simplify right side
    119,985.54x = 10,973,627,684.77
  5. Step 5: Solve for x
    x = 10,973,627,684.77/119,985.54
  6. Step 6: Final answer
    x = 91,457.92

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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.