Home / 147,259.12-201,994.01-145,993.90

Finding the Fourth Proportional to 147,259.12, 201,994.01 and 145,993.90

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Solution

The fourth proportional to 147,259.12, 201,994.01 and 145,993.90 is: 200,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,259.12 : 201,994.01 = 145,993.90 : x
  2. Step 2: Convert to fraction form
    147,259.12/201,994.01 = 145,993.90/x
  3. Step 3: Cross multiply
    147,259.12x = 201,994.01 × 145,993.90
  4. Step 4: Simplify right side
    147,259.12x = 29,489,893,296.54
  5. Step 5: Solve for x
    x = 29,489,893,296.54/147,259.12
  6. Step 6: Final answer
    x = 200,258.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.