Home / 142,051.03-213,068.22-53,297.14

Finding the Fourth Proportional to 142,051.03, 213,068.22 and 53,297.14

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Solution

The fourth proportional to 142,051.03, 213,068.22 and 53,297.14 is: 79,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,051.03 : 213,068.22 = 53,297.14 : x
  2. Step 2: Convert to fraction form
    142,051.03/213,068.22 = 53,297.14/x
  3. Step 3: Cross multiply
    142,051.03x = 213,068.22 × 53,297.14
  4. Step 4: Simplify right side
    142,051.03x = 11,355,926,750.89
  5. Step 5: Solve for x
    x = 11,355,926,750.89/142,051.03
  6. Step 6: Final answer
    x = 79,942.59

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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.