Home / 145,982.96-218,547.96-131,975.36

Finding the Fourth Proportional to 145,982.96, 218,547.96 and 131,975.36

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Solution

The fourth proportional to 145,982.96, 218,547.96 and 131,975.36 is: 197,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,982.96 : 218,547.96 = 131,975.36 : x
  2. Step 2: Convert to fraction form
    145,982.96/218,547.96 = 131,975.36/x
  3. Step 3: Cross multiply
    145,982.96x = 218,547.96 × 131,975.36
  4. Step 4: Simplify right side
    145,982.96x = 28,842,945,698.27
  5. Step 5: Solve for x
    x = 28,842,945,698.27/145,982.96
  6. Step 6: Final answer
    x = 197,577.48

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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.