Home / 206,973.36-310,558.04-87,056.55

Finding the Fourth Proportional to 206,973.36, 310,558.04 and 87,056.55

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Solution

The fourth proportional to 206,973.36, 310,558.04 and 87,056.55 is: 130,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,973.36 : 310,558.04 = 87,056.55 : x
  2. Step 2: Convert to fraction form
    206,973.36/310,558.04 = 87,056.55/x
  3. Step 3: Cross multiply
    206,973.36x = 310,558.04 × 87,056.55
  4. Step 4: Simplify right side
    206,973.36x = 27,036,111,101.88
  5. Step 5: Solve for x
    x = 27,036,111,101.88/206,973.36
  6. Step 6: Final answer
    x = 130,626.04

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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.