Home / 145,975.05-218,943.71-46,145.32

Finding the Fourth Proportional to 145,975.05, 218,943.71 and 46,145.32

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Solution

The fourth proportional to 145,975.05, 218,943.71 and 46,145.32 is: 69,212.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,975.05 : 218,943.71 = 46,145.32 : x
  2. Step 2: Convert to fraction form
    145,975.05/218,943.71 = 46,145.32/x
  3. Step 3: Cross multiply
    145,975.05x = 218,943.71 × 46,145.32
  4. Step 4: Simplify right side
    145,975.05x = 10,103,227,559.94
  5. Step 5: Solve for x
    x = 10,103,227,559.94/145,975.05
  6. Step 6: Final answer
    x = 69,212.02

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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.