Home / 109,945.60-164,918.40-96,386.20

Finding the Fourth Proportional to 109,945.60, 164,918.40 and 96,386.20

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Solution

The fourth proportional to 109,945.60, 164,918.40 and 96,386.20 is: 144,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,945.60 : 164,918.40 = 96,386.20 : x
  2. Step 2: Convert to fraction form
    109,945.60/164,918.40 = 96,386.20/x
  3. Step 3: Cross multiply
    109,945.60x = 164,918.40 × 96,386.20
  4. Step 4: Simplify right side
    109,945.60x = 15,895,857,886.08
  5. Step 5: Solve for x
    x = 15,895,857,886.08/109,945.60
  6. Step 6: Final answer
    x = 144,579.30

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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.