Home / 234,981.04-324,281.09-138,167.41

Finding the Fourth Proportional to 234,981.04, 324,281.09 and 138,167.41

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Solution

The fourth proportional to 234,981.04, 324,281.09 and 138,167.41 is: 190,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,981.04 : 324,281.09 = 138,167.41 : x
  2. Step 2: Convert to fraction form
    234,981.04/324,281.09 = 138,167.41/x
  3. Step 3: Cross multiply
    234,981.04x = 324,281.09 × 138,167.41
  4. Step 4: Simplify right side
    234,981.04x = 44,805,077,518.26
  5. Step 5: Solve for x
    x = 44,805,077,518.26/234,981.04
  6. Step 6: Final answer
    x = 190,675.29

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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.