Home / 152,336.80-228,505.20-40,009.60

Finding the Fourth Proportional to 152,336.80, 228,505.20 and 40,009.60

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Solution

The fourth proportional to 152,336.80, 228,505.20 and 40,009.60 is: 60,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,336.80 : 228,505.20 = 40,009.60 : x
  2. Step 2: Convert to fraction form
    152,336.80/228,505.20 = 40,009.60/x
  3. Step 3: Cross multiply
    152,336.80x = 228,505.20 × 40,009.60
  4. Step 4: Simplify right side
    152,336.80x = 9,142,401,649.92
  5. Step 5: Solve for x
    x = 9,142,401,649.92/152,336.80
  6. Step 6: Final answer
    x = 60,014.40

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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.