Home / 152,271.21-228,542.49-72,407.64

Finding the Fourth Proportional to 152,271.21, 228,542.49 and 72,407.64

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Solution

The fourth proportional to 152,271.21, 228,542.49 and 72,407.64 is: 108,675.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,271.21 : 228,542.49 = 72,407.64 : x
  2. Step 2: Convert to fraction form
    152,271.21/228,542.49 = 72,407.64/x
  3. Step 3: Cross multiply
    152,271.21x = 228,542.49 × 72,407.64
  4. Step 4: Simplify right side
    152,271.21x = 16,548,222,340.62
  5. Step 5: Solve for x
    x = 16,548,222,340.62/152,271.21
  6. Step 6: Final answer
    x = 108,675.98

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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.