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Finding the Fourth Proportional to 145,667.21, 201,026.21 and 80,258.73

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Solution

The fourth proportional to 145,667.21, 201,026.21 and 80,258.73 is: 110,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,667.21 : 201,026.21 = 80,258.73 : x
  2. Step 2: Convert to fraction form
    145,667.21/201,026.21 = 80,258.73/x
  3. Step 3: Cross multiply
    145,667.21x = 201,026.21 × 80,258.73
  4. Step 4: Simplify right side
    145,667.21x = 16,134,107,156.17
  5. Step 5: Solve for x
    x = 16,134,107,156.17/145,667.21
  6. Step 6: Final answer
    x = 110,760.05

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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.