Home / 149,756.04-206,662.32-82,688.04

Finding the Fourth Proportional to 149,756.04, 206,662.32 and 82,688.04

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Solution

The fourth proportional to 149,756.04, 206,662.32 and 82,688.04 is: 114,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,756.04 : 206,662.32 = 82,688.04 : x
  2. Step 2: Convert to fraction form
    149,756.04/206,662.32 = 82,688.04/x
  3. Step 3: Cross multiply
    149,756.04x = 206,662.32 × 82,688.04
  4. Step 4: Simplify right side
    149,756.04x = 17,088,502,182.65
  5. Step 5: Solve for x
    x = 17,088,502,182.65/149,756.04
  6. Step 6: Final answer
    x = 114,108.93

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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.