Home / 106,602.21-147,064.82-61,269.75

Finding the Fourth Proportional to 106,602.21, 147,064.82 and 61,269.75

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Solution

The fourth proportional to 106,602.21, 147,064.82 and 61,269.75 is: 84,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,602.21 : 147,064.82 = 61,269.75 : x
  2. Step 2: Convert to fraction form
    106,602.21/147,064.82 = 61,269.75/x
  3. Step 3: Cross multiply
    106,602.21x = 147,064.82 × 61,269.75
  4. Step 4: Simplify right side
    106,602.21x = 9,010,624,448.85
  5. Step 5: Solve for x
    x = 9,010,624,448.85/106,602.21
  6. Step 6: Final answer
    x = 84,525.68

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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.