Home / 109,349.80-150,902.73-61,603.13

Finding the Fourth Proportional to 109,349.80, 150,902.73 and 61,603.13

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Solution

The fourth proportional to 109,349.80, 150,902.73 and 61,603.13 is: 85,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,349.80 : 150,902.73 = 61,603.13 : x
  2. Step 2: Convert to fraction form
    109,349.80/150,902.73 = 61,603.13/x
  3. Step 3: Cross multiply
    109,349.80x = 150,902.73 × 61,603.13
  4. Step 4: Simplify right side
    109,349.80x = 9,296,080,870.80
  5. Step 5: Solve for x
    x = 9,296,080,870.80/109,349.80
  6. Step 6: Final answer
    x = 85,012.33

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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.