Home / 150,271.03-207,392.43-85,756.15

Finding the Fourth Proportional to 150,271.03, 207,392.43 and 85,756.15

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Solution

The fourth proportional to 150,271.03, 207,392.43 and 85,756.15 is: 118,353.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,271.03 : 207,392.43 = 85,756.15 : x
  2. Step 2: Convert to fraction form
    150,271.03/207,392.43 = 85,756.15/x
  3. Step 3: Cross multiply
    150,271.03x = 207,392.43 × 85,756.15
  4. Step 4: Simplify right side
    150,271.03x = 17,785,176,335.94
  5. Step 5: Solve for x
    x = 17,785,176,335.94/150,271.03
  6. Step 6: Final answer
    x = 118,353.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.