Home / 145,686.12-201,050.60-82,026.16

Finding the Fourth Proportional to 145,686.12, 201,050.60 and 82,026.16

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Solution

The fourth proportional to 145,686.12, 201,050.60 and 82,026.16 is: 113,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,686.12 : 201,050.60 = 82,026.16 : x
  2. Step 2: Convert to fraction form
    145,686.12/201,050.60 = 82,026.16/x
  3. Step 3: Cross multiply
    145,686.12x = 201,050.60 × 82,026.16
  4. Step 4: Simplify right side
    145,686.12x = 16,491,408,683.70
  5. Step 5: Solve for x
    x = 16,491,408,683.70/145,686.12
  6. Step 6: Final answer
    x = 113,198.21

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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.