Home / 134,379.90-201,557.70-45,636.30

Finding the Fourth Proportional to 134,379.90, 201,557.70 and 45,636.30

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Solution

The fourth proportional to 134,379.90, 201,557.70 and 45,636.30 is: 68,450.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,379.90 : 201,557.70 = 45,636.30 : x
  2. Step 2: Convert to fraction form
    134,379.90/201,557.70 = 45,636.30/x
  3. Step 3: Cross multiply
    134,379.90x = 201,557.70 × 45,636.30
  4. Step 4: Simplify right side
    134,379.90x = 9,198,347,664.51
  5. Step 5: Solve for x
    x = 9,198,347,664.51/134,379.90
  6. Step 6: Final answer
    x = 68,450.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.