Home / 109,971.40-164,918.70-57,363.40

Finding the Fourth Proportional to 109,971.40, 164,918.70 and 57,363.40

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Solution

The fourth proportional to 109,971.40, 164,918.70 and 57,363.40 is: 86,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,971.40 : 164,918.70 = 57,363.40 : x
  2. Step 2: Convert to fraction form
    109,971.40/164,918.70 = 57,363.40/x
  3. Step 3: Cross multiply
    109,971.40x = 164,918.70 × 57,363.40
  4. Step 4: Simplify right side
    109,971.40x = 9,460,297,355.58
  5. Step 5: Solve for x
    x = 9,460,297,355.58/109,971.40
  6. Step 6: Final answer
    x = 86,025.07

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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.