Home / 145,242.51-217,874.64-40,060.50

Finding the Fourth Proportional to 145,242.51, 217,874.64 and 40,060.50

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Solution

The fourth proportional to 145,242.51, 217,874.64 and 40,060.50 is: 60,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,242.51 : 217,874.64 = 40,060.50 : x
  2. Step 2: Convert to fraction form
    145,242.51/217,874.64 = 40,060.50/x
  3. Step 3: Cross multiply
    145,242.51x = 217,874.64 × 40,060.50
  4. Step 4: Simplify right side
    145,242.51x = 8,728,167,015.72
  5. Step 5: Solve for x
    x = 8,728,167,015.72/145,242.51
  6. Step 6: Final answer
    x = 60,093.75

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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.