Home / 112,907.23-155,814.12-61,916.73

Finding the Fourth Proportional to 112,907.23, 155,814.12 and 61,916.73

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Solution

The fourth proportional to 112,907.23, 155,814.12 and 61,916.73 is: 85,446.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,907.23 : 155,814.12 = 61,916.73 : x
  2. Step 2: Convert to fraction form
    112,907.23/155,814.12 = 61,916.73/x
  3. Step 3: Cross multiply
    112,907.23x = 155,814.12 × 61,916.73
  4. Step 4: Simplify right side
    112,907.23x = 9,647,500,798.23
  5. Step 5: Solve for x
    x = 9,647,500,798.23/112,907.23
  6. Step 6: Final answer
    x = 85,446.26

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1.5x scale

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.