Home / 152,116.02-228,380.94-85,602.96

Finding the Fourth Proportional to 152,116.02, 228,380.94 and 85,602.96

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Solution

The fourth proportional to 152,116.02, 228,380.94 and 85,602.96 is: 128,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,116.02 : 228,380.94 = 85,602.96 : x
  2. Step 2: Convert to fraction form
    152,116.02/228,380.94 = 85,602.96/x
  3. Step 3: Cross multiply
    152,116.02x = 228,380.94 × 85,602.96
  4. Step 4: Simplify right side
    152,116.02x = 19,550,084,471.58
  5. Step 5: Solve for x
    x = 19,550,084,471.58/152,116.02
  6. Step 6: Final answer
    x = 128,520.88

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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.