Home / 188,560.10-282,840.06-55,441.46

Finding the Fourth Proportional to 188,560.10, 282,840.06 and 55,441.46

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Solution

The fourth proportional to 188,560.10, 282,840.06 and 55,441.46 is: 83,162.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,560.10 : 282,840.06 = 55,441.46 : x
  2. Step 2: Convert to fraction form
    188,560.10/282,840.06 = 55,441.46/x
  3. Step 3: Cross multiply
    188,560.10x = 282,840.06 × 55,441.46
  4. Step 4: Simplify right side
    188,560.10x = 15,681,065,872.89
  5. Step 5: Solve for x
    x = 15,681,065,872.89/188,560.10
  6. Step 6: Final answer
    x = 83,162.16

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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.