Home / 112,252.36-154,907.94-61,951

Finding the Fourth Proportional to 112,252.36, 154,907.94 and 61,951

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Solution

The fourth proportional to 112,252.36, 154,907.94 and 61,951 is: 85,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,252.36 : 154,907.94 = 61,951 : x
  2. Step 2: Convert to fraction form
    112,252.36/154,907.94 = 61,951/x
  3. Step 3: Cross multiply
    112,252.36x = 154,907.94 × 61,951
  4. Step 4: Simplify right side
    112,252.36x = 9,596,701,790.94
  5. Step 5: Solve for x
    x = 9,596,701,790.94/112,252.36
  6. Step 6: Final answer
    x = 85,492.21

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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.