Home / 145,314.42-217,975.73-40,133.40

Finding the Fourth Proportional to 145,314.42, 217,975.73 and 40,133.40

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Solution

The fourth proportional to 145,314.42, 217,975.73 and 40,133.40 is: 60,201.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,314.42 : 217,975.73 = 40,133.40 : x
  2. Step 2: Convert to fraction form
    145,314.42/217,975.73 = 40,133.40/x
  3. Step 3: Cross multiply
    145,314.42x = 217,975.73 × 40,133.40
  4. Step 4: Simplify right side
    145,314.42x = 8,748,107,162.38
  5. Step 5: Solve for x
    x = 8,748,107,162.38/145,314.42
  6. Step 6: Final answer
    x = 60,201.23

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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.