Home / 100,507.08-150,436.67-55,457.62

Finding the Fourth Proportional to 100,507.08, 150,436.67 and 55,457.62

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Solution

The fourth proportional to 100,507.08, 150,436.67 and 55,457.62 is: 83,007.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,507.08 : 150,436.67 = 55,457.62 : x
  2. Step 2: Convert to fraction form
    100,507.08/150,436.67 = 55,457.62/x
  3. Step 3: Cross multiply
    100,507.08x = 150,436.67 × 55,457.62
  4. Step 4: Simplify right side
    100,507.08x = 8,342,859,025.55
  5. Step 5: Solve for x
    x = 8,342,859,025.55/100,507.08
  6. Step 6: Final answer
    x = 83,007.67

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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.