Home / 145,922.72-218,884.68-40,741.38

Finding the Fourth Proportional to 145,922.72, 218,884.68 and 40,741.38

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Solution

The fourth proportional to 145,922.72, 218,884.68 and 40,741.38 is: 61,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,922.72 : 218,884.68 = 40,741.38 : x
  2. Step 2: Convert to fraction form
    145,922.72/218,884.68 = 40,741.38/x
  3. Step 3: Cross multiply
    145,922.72x = 218,884.68 × 40,741.38
  4. Step 4: Simplify right side
    145,922.72x = 8,917,663,924.06
  5. Step 5: Solve for x
    x = 8,917,663,924.06/145,922.72
  6. Step 6: Final answer
    x = 61,112.24

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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.