Home / 145,662.07-201,032.81-82,012.27

Finding the Fourth Proportional to 145,662.07, 201,032.81 and 82,012.27

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Solution

The fourth proportional to 145,662.07, 201,032.81 and 82,012.27 is: 113,187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,662.07 : 201,032.81 = 82,012.27 : x
  2. Step 2: Convert to fraction form
    145,662.07/201,032.81 = 82,012.27/x
  3. Step 3: Cross multiply
    145,662.07x = 201,032.81 × 82,012.27
  4. Step 4: Simplify right side
    145,662.07x = 16,487,156,590.00
  5. Step 5: Solve for x
    x = 16,487,156,590.00/145,662.07
  6. Step 6: Final answer
    x = 113,187.72

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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.