Home / 128,205.02-192,307.67-33,435.13

Finding the Fourth Proportional to 128,205.02, 192,307.67 and 33,435.13

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Solution

The fourth proportional to 128,205.02, 192,307.67 and 33,435.13 is: 50,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,205.02 : 192,307.67 = 33,435.13 : x
  2. Step 2: Convert to fraction form
    128,205.02/192,307.67 = 33,435.13/x
  3. Step 3: Cross multiply
    128,205.02x = 192,307.67 × 33,435.13
  4. Step 4: Simplify right side
    128,205.02x = 6,429,831,946.45
  5. Step 5: Solve for x
    x = 6,429,831,946.45/128,205.02
  6. Step 6: Final answer
    x = 50,152.73

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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.