Home / 137,829.89-190,225.82-84,146.03

Finding the Fourth Proportional to 137,829.89, 190,225.82 and 84,146.03

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Solution

The fourth proportional to 137,829.89, 190,225.82 and 84,146.03 is: 116,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,829.89 : 190,225.82 = 84,146.03 : x
  2. Step 2: Convert to fraction form
    137,829.89/190,225.82 = 84,146.03/x
  3. Step 3: Cross multiply
    137,829.89x = 190,225.82 × 84,146.03
  4. Step 4: Simplify right side
    137,829.89x = 16,006,746,184.64
  5. Step 5: Solve for x
    x = 16,006,746,184.64/137,829.89
  6. Step 6: Final answer
    x = 116,134.07

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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.