Home / 100,225.26-150,128.69-60,117.05

Finding the Fourth Proportional to 100,225.26, 150,128.69 and 60,117.05

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Solution

The fourth proportional to 100,225.26, 150,128.69 and 60,117.05 is: 90,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,225.26 : 150,128.69 = 60,117.05 : x
  2. Step 2: Convert to fraction form
    100,225.26/150,128.69 = 60,117.05/x
  3. Step 3: Cross multiply
    100,225.26x = 150,128.69 × 60,117.05
  4. Step 4: Simplify right side
    100,225.26x = 9,025,292,911.94
  5. Step 5: Solve for x
    x = 9,025,292,911.94/100,225.26
  6. Step 6: Final answer
    x = 90,050.08

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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.