Home / 145,975.23-218,944.01-46,145.53

Finding the Fourth Proportional to 145,975.23, 218,944.01 and 46,145.53

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Solution

The fourth proportional to 145,975.23, 218,944.01 and 46,145.53 is: 69,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,975.23 : 218,944.01 = 46,145.53 : x
  2. Step 2: Convert to fraction form
    145,975.23/218,944.01 = 46,145.53/x
  3. Step 3: Cross multiply
    145,975.23x = 218,944.01 × 46,145.53
  4. Step 4: Simplify right side
    145,975.23x = 10,103,287,770.82
  5. Step 5: Solve for x
    x = 10,103,287,770.82/145,975.23
  6. Step 6: Final answer
    x = 69,212.34

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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.