Home / 112,398.75-155,108.44-61,410.38

Finding the Fourth Proportional to 112,398.75, 155,108.44 and 61,410.38

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Solution

The fourth proportional to 112,398.75, 155,108.44 and 61,410.38 is: 84,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,398.75 : 155,108.44 = 61,410.38 : x
  2. Step 2: Convert to fraction form
    112,398.75/155,108.44 = 61,410.38/x
  3. Step 3: Cross multiply
    112,398.75x = 155,108.44 × 61,410.38
  4. Step 4: Simplify right side
    112,398.75x = 9,525,267,779.05
  5. Step 5: Solve for x
    x = 9,525,267,779.05/112,398.75
  6. Step 6: Final answer
    x = 84,745.32

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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.