Home / 128,325.87-192,485.52-34,829.19

Finding the Fourth Proportional to 128,325.87, 192,485.52 and 34,829.19

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Solution

The fourth proportional to 128,325.87, 192,485.52 and 34,829.19 is: 52,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,325.87 : 192,485.52 = 34,829.19 : x
  2. Step 2: Convert to fraction form
    128,325.87/192,485.52 = 34,829.19/x
  3. Step 3: Cross multiply
    128,325.87x = 192,485.52 × 34,829.19
  4. Step 4: Simplify right side
    128,325.87x = 6,704,114,748.33
  5. Step 5: Solve for x
    x = 6,704,114,748.33/128,325.87
  6. Step 6: Final answer
    x = 52,242.89

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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.