Home / 143,137.47-214,656.92-72,032.63

Finding the Fourth Proportional to 143,137.47, 214,656.92 and 72,032.63

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Solution

The fourth proportional to 143,137.47, 214,656.92 and 72,032.63 is: 108,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,137.47 : 214,656.92 = 72,032.63 : x
  2. Step 2: Convert to fraction form
    143,137.47/214,656.92 = 72,032.63/x
  3. Step 3: Cross multiply
    143,137.47x = 214,656.92 × 72,032.63
  4. Step 4: Simplify right side
    143,137.47x = 15,462,302,495.30
  5. Step 5: Solve for x
    x = 15,462,302,495.30/143,137.47
  6. Step 6: Final answer
    x = 108,024.14

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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.