Home / 152,081.20-228,251.40-67,970.80

Finding the Fourth Proportional to 152,081.20, 228,251.40 and 67,970.80

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Solution

The fourth proportional to 152,081.20, 228,251.40 and 67,970.80 is: 102,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,081.20 : 228,251.40 = 67,970.80 : x
  2. Step 2: Convert to fraction form
    152,081.20/228,251.40 = 67,970.80/x
  3. Step 3: Cross multiply
    152,081.20x = 228,251.40 × 67,970.80
  4. Step 4: Simplify right side
    152,081.20x = 15,514,430,259.12
  5. Step 5: Solve for x
    x = 15,514,430,259.12/152,081.20
  6. Step 6: Final answer
    x = 102,014.12

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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.