Home / 144,137.38-216,206.10-73,971.94

Finding the Fourth Proportional to 144,137.38, 216,206.10 and 73,971.94

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Solution

The fourth proportional to 144,137.38, 216,206.10 and 73,971.94 is: 110,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,137.38 : 216,206.10 = 73,971.94 : x
  2. Step 2: Convert to fraction form
    144,137.38/216,206.10 = 73,971.94/x
  3. Step 3: Cross multiply
    144,137.38x = 216,206.10 × 73,971.94
  4. Step 4: Simplify right side
    144,137.38x = 15,993,184,656.83
  5. Step 5: Solve for x
    x = 15,993,184,656.83/144,137.38
  6. Step 6: Final answer
    x = 110,957.93

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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.