Home / 100,994.19-151,323.89-61,431.63

Finding the Fourth Proportional to 100,994.19, 151,323.89 and 61,431.63

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Solution

The fourth proportional to 100,994.19, 151,323.89 and 61,431.63 is: 92,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,994.19 : 151,323.89 = 61,431.63 : x
  2. Step 2: Convert to fraction form
    100,994.19/151,323.89 = 61,431.63/x
  3. Step 3: Cross multiply
    100,994.19x = 151,323.89 × 61,431.63
  4. Step 4: Simplify right side
    100,994.19x = 9,296,072,913.48
  5. Step 5: Solve for x
    x = 9,296,072,913.48/100,994.19
  6. Step 6: Final answer
    x = 92,045.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.