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Finding the Fourth Proportional to 111,602.36, 154,012.32 and 61,301.36

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Solution

The fourth proportional to 111,602.36, 154,012.32 and 61,301.36 is: 84,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,602.36 : 154,012.32 = 61,301.36 : x
  2. Step 2: Convert to fraction form
    111,602.36/154,012.32 = 61,301.36/x
  3. Step 3: Cross multiply
    111,602.36x = 154,012.32 × 61,301.36
  4. Step 4: Simplify right side
    111,602.36x = 9,441,164,672.76
  5. Step 5: Solve for x
    x = 9,441,164,672.76/111,602.36
  6. Step 6: Final answer
    x = 84,596.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.