Home / 152,111.20-228,199.20-46,940.80

Finding the Fourth Proportional to 152,111.20, 228,199.20 and 46,940.80

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Solution

The fourth proportional to 152,111.20, 228,199.20 and 46,940.80 is: 70,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,111.20 : 228,199.20 = 46,940.80 : x
  2. Step 2: Convert to fraction form
    152,111.20/228,199.20 = 46,940.80/x
  3. Step 3: Cross multiply
    152,111.20x = 228,199.20 × 46,940.80
  4. Step 4: Simplify right side
    152,111.20x = 10,711,853,007.36
  5. Step 5: Solve for x
    x = 10,711,853,007.36/152,111.20
  6. Step 6: Final answer
    x = 70,421.20

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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.