Home / 145,584.14-201,015.54-143,259.08

Finding the Fourth Proportional to 145,584.14, 201,015.54 and 143,259.08

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Solution

The fourth proportional to 145,584.14, 201,015.54 and 143,259.08 is: 197,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,584.14 : 201,015.54 = 143,259.08 : x
  2. Step 2: Convert to fraction form
    145,584.14/201,015.54 = 143,259.08/x
  3. Step 3: Cross multiply
    145,584.14x = 201,015.54 × 143,259.08
  4. Step 4: Simplify right side
    145,584.14x = 28,797,300,321.03
  5. Step 5: Solve for x
    x = 28,797,300,321.03/145,584.14
  6. Step 6: Final answer
    x = 197,805.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.