Home / 128,056.02-192,034.80-88,493.19

Finding the Fourth Proportional to 128,056.02, 192,034.80 and 88,493.19

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Solution

The fourth proportional to 128,056.02, 192,034.80 and 88,493.19 is: 132,705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,056.02 : 192,034.80 = 88,493.19 : x
  2. Step 2: Convert to fraction form
    128,056.02/192,034.80 = 88,493.19/x
  3. Step 3: Cross multiply
    128,056.02x = 192,034.80 × 88,493.19
  4. Step 4: Simplify right side
    128,056.02x = 16,993,772,043.01
  5. Step 5: Solve for x
    x = 16,993,772,043.01/128,056.02
  6. Step 6: Final answer
    x = 132,705.76

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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.