Home / 115,998.68-173,999.04-45,878.00

Finding the Fourth Proportional to 115,998.68, 173,999.04 and 45,878.00

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Solution

The fourth proportional to 115,998.68, 173,999.04 and 45,878.00 is: 68,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,998.68 : 173,999.04 = 45,878.00 : x
  2. Step 2: Convert to fraction form
    115,998.68/173,999.04 = 45,878.00/x
  3. Step 3: Cross multiply
    115,998.68x = 173,999.04 × 45,878.00
  4. Step 4: Simplify right side
    115,998.68x = 7,982,727,087.12
  5. Step 5: Solve for x
    x = 7,982,727,087.12/115,998.68
  6. Step 6: Final answer
    x = 68,817.40

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1.5x scale

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.