Home / 67,172.19-100,536.73-37,140.22

Finding the Fourth Proportional to 67,172.19, 100,536.73 and 37,140.22

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Solution

The fourth proportional to 67,172.19, 100,536.73 and 37,140.22 is: 55,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,172.19 : 100,536.73 = 37,140.22 : x
  2. Step 2: Convert to fraction form
    67,172.19/100,536.73 = 37,140.22/x
  3. Step 3: Cross multiply
    67,172.19x = 100,536.73 × 37,140.22
  4. Step 4: Simplify right side
    67,172.19x = 3,733,956,303.10
  5. Step 5: Solve for x
    x = 3,733,956,303.10/67,172.19
  6. Step 6: Final answer
    x = 55,587.83

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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.