Home / 145,975.40-218,944.27-46,145.69

Finding the Fourth Proportional to 145,975.40, 218,944.27 and 46,145.69

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Solution

The fourth proportional to 145,975.40, 218,944.27 and 46,145.69 is: 69,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,975.40 : 218,944.27 = 46,145.69 : x
  2. Step 2: Convert to fraction form
    145,975.40/218,944.27 = 46,145.69/x
  3. Step 3: Cross multiply
    145,975.40x = 218,944.27 × 46,145.69
  4. Step 4: Simplify right side
    145,975.40x = 10,103,334,410.70
  5. Step 5: Solve for x
    x = 10,103,334,410.70/145,975.40
  6. Step 6: Final answer
    x = 69,212.58

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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.