Home / 188,397.04-282,639.32-55,271.92

Finding the Fourth Proportional to 188,397.04, 282,639.32 and 55,271.92

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Solution

The fourth proportional to 188,397.04, 282,639.32 and 55,271.92 is: 82,920.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,397.04 : 282,639.32 = 55,271.92 : x
  2. Step 2: Convert to fraction form
    188,397.04/282,639.32 = 55,271.92/x
  3. Step 3: Cross multiply
    188,397.04x = 282,639.32 × 55,271.92
  4. Step 4: Simplify right side
    188,397.04x = 15,622,017,883.89
  5. Step 5: Solve for x
    x = 15,622,017,883.89/188,397.04
  6. Step 6: Final answer
    x = 82,920.72

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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.