Home / 144,848.74-199,889.62-81,185.18

Finding the Fourth Proportional to 144,848.74, 199,889.62 and 81,185.18

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Solution

The fourth proportional to 144,848.74, 199,889.62 and 81,185.18 is: 112,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,848.74 : 199,889.62 = 81,185.18 : x
  2. Step 2: Convert to fraction form
    144,848.74/199,889.62 = 81,185.18/x
  3. Step 3: Cross multiply
    144,848.74x = 199,889.62 × 81,185.18
  4. Step 4: Simplify right side
    144,848.74x = 16,228,074,779.83
  5. Step 5: Solve for x
    x = 16,228,074,779.83/144,848.74
  6. Step 6: Final answer
    x = 112,034.63

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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.