Home / 144,185.83-197,531.29-138,795.02

Finding the Fourth Proportional to 144,185.83, 197,531.29 and 138,795.02

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Solution

The fourth proportional to 144,185.83, 197,531.29 and 138,795.02 is: 190,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,185.83 : 197,531.29 = 138,795.02 : x
  2. Step 2: Convert to fraction form
    144,185.83/197,531.29 = 138,795.02/x
  3. Step 3: Cross multiply
    144,185.83x = 197,531.29 × 138,795.02
  4. Step 4: Simplify right side
    144,185.83x = 27,416,359,272.76
  5. Step 5: Solve for x
    x = 27,416,359,272.76/144,185.83
  6. Step 6: Final answer
    x = 190,146.01

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.