Home / 145,662.32-201,033.16-82,012.52

Finding the Fourth Proportional to 145,662.32, 201,033.16 and 82,012.52

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Solution

The fourth proportional to 145,662.32, 201,033.16 and 82,012.52 is: 113,188.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,662.32 : 201,033.16 = 82,012.52 : x
  2. Step 2: Convert to fraction form
    145,662.32/201,033.16 = 82,012.52/x
  3. Step 3: Cross multiply
    145,662.32x = 201,033.16 × 82,012.52
  4. Step 4: Simplify right side
    145,662.32x = 16,487,234,639.93
  5. Step 5: Solve for x
    x = 16,487,234,639.93/145,662.32
  6. Step 6: Final answer
    x = 113,188.06

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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.