Home / 100,516.20-150,555.60-61,004.40

Finding the Fourth Proportional to 100,516.20, 150,555.60 and 61,004.40

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Solution

The fourth proportional to 100,516.20, 150,555.60 and 61,004.40 is: 91,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,516.20 : 150,555.60 = 61,004.40 : x
  2. Step 2: Convert to fraction form
    100,516.20/150,555.60 = 61,004.40/x
  3. Step 3: Cross multiply
    100,516.20x = 150,555.60 × 61,004.40
  4. Step 4: Simplify right side
    100,516.20x = 9,184,554,044.64
  5. Step 5: Solve for x
    x = 9,184,554,044.64/100,516.20
  6. Step 6: Final answer
    x = 91,373.87

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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.