Home / 145,666.51-201,025.24-80,258.03

Finding the Fourth Proportional to 145,666.51, 201,025.24 and 80,258.03

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Solution

The fourth proportional to 145,666.51, 201,025.24 and 80,258.03 is: 110,759.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,666.51 : 201,025.24 = 80,258.03 : x
  2. Step 2: Convert to fraction form
    145,666.51/201,025.24 = 80,258.03/x
  3. Step 3: Cross multiply
    145,666.51x = 201,025.24 × 80,258.03
  4. Step 4: Simplify right side
    145,666.51x = 16,133,889,120.92
  5. Step 5: Solve for x
    x = 16,133,889,120.92/145,666.51
  6. Step 6: Final answer
    x = 110,759.09

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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.