Home / 128,333.98-192,533.77-49,427.02

Finding the Fourth Proportional to 128,333.98, 192,533.77 and 49,427.02

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Solution

The fourth proportional to 128,333.98, 192,533.77 and 49,427.02 is: 74,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,333.98 : 192,533.77 = 49,427.02 : x
  2. Step 2: Convert to fraction form
    128,333.98/192,533.77 = 49,427.02/x
  3. Step 3: Cross multiply
    128,333.98x = 192,533.77 × 49,427.02
  4. Step 4: Simplify right side
    128,333.98x = 9,516,369,537.80
  5. Step 5: Solve for x
    x = 9,516,369,537.80/128,333.98
  6. Step 6: Final answer
    x = 74,153.16

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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.