Home / 137,909.04-190,335.09-84,224.94

Finding the Fourth Proportional to 137,909.04, 190,335.09 and 84,224.94

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Solution

The fourth proportional to 137,909.04, 190,335.09 and 84,224.94 is: 116,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,909.04 : 190,335.09 = 84,224.94 : x
  2. Step 2: Convert to fraction form
    137,909.04/190,335.09 = 84,224.94/x
  3. Step 3: Cross multiply
    137,909.04x = 190,335.09 × 84,224.94
  4. Step 4: Simplify right side
    137,909.04x = 16,030,961,535.14
  5. Step 5: Solve for x
    x = 16,030,961,535.14/137,909.04
  6. Step 6: Final answer
    x = 116,243.01

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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.