Home / 145,675.57-201,036.06-82,015.66

Finding the Fourth Proportional to 145,675.57, 201,036.06 and 82,015.66

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Solution

The fourth proportional to 145,675.57, 201,036.06 and 82,015.66 is: 113,183.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,675.57 : 201,036.06 = 82,015.66 : x
  2. Step 2: Convert to fraction form
    145,675.57/201,036.06 = 82,015.66/x
  3. Step 3: Cross multiply
    145,675.57x = 201,036.06 × 82,015.66
  4. Step 4: Simplify right side
    145,675.57x = 16,488,105,144.70
  5. Step 5: Solve for x
    x = 16,488,105,144.70/145,675.57
  6. Step 6: Final answer
    x = 113,183.74

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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.