Home / 149,707.74-206,638.38-86,066.04

Finding the Fourth Proportional to 149,707.74, 206,638.38 and 86,066.04

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Solution

The fourth proportional to 149,707.74, 206,638.38 and 86,066.04 is: 118,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,707.74 : 206,638.38 = 86,066.04 : x
  2. Step 2: Convert to fraction form
    149,707.74/206,638.38 = 86,066.04/x
  3. Step 3: Cross multiply
    149,707.74x = 206,638.38 × 86,066.04
  4. Step 4: Simplify right side
    149,707.74x = 17,784,547,078.62
  5. Step 5: Solve for x
    x = 17,784,547,078.62/149,707.74
  6. Step 6: Final answer
    x = 118,795.11

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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.