Home / 112,277.75-154,936.70-61,280.35

Finding the Fourth Proportional to 112,277.75, 154,936.70 and 61,280.35

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Solution

The fourth proportional to 112,277.75, 154,936.70 and 61,280.35 is: 84,563.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,277.75 : 154,936.70 = 61,280.35 : x
  2. Step 2: Convert to fraction form
    112,277.75/154,936.70 = 61,280.35/x
  3. Step 3: Cross multiply
    112,277.75x = 154,936.70 × 61,280.35
  4. Step 4: Simplify right side
    112,277.75x = 9,494,574,739.90
  5. Step 5: Solve for x
    x = 9,494,574,739.90/112,277.75
  6. Step 6: Final answer
    x = 84,563.28

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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.