Home / 206,868.23-310,013.04-111,893.30

Finding the Fourth Proportional to 206,868.23, 310,013.04 and 111,893.30

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Solution

The fourth proportional to 206,868.23, 310,013.04 and 111,893.30 is: 167,683.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,868.23 : 310,013.04 = 111,893.30 : x
  2. Step 2: Convert to fraction form
    206,868.23/310,013.04 = 111,893.30/x
  3. Step 3: Cross multiply
    206,868.23x = 310,013.04 × 111,893.30
  4. Step 4: Simplify right side
    206,868.23x = 34,688,382,088.63
  5. Step 5: Solve for x
    x = 34,688,382,088.63/206,868.23
  6. Step 6: Final answer
    x = 167,683.47

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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.