Home / 192,037.80-264,985.68-107,138.40

Finding the Fourth Proportional to 192,037.80, 264,985.68 and 107,138.40

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Solution

The fourth proportional to 192,037.80, 264,985.68 and 107,138.40 is: 147,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,037.80 : 264,985.68 = 107,138.40 : x
  2. Step 2: Convert to fraction form
    192,037.80/264,985.68 = 107,138.40/x
  3. Step 3: Cross multiply
    192,037.80x = 264,985.68 × 107,138.40
  4. Step 4: Simplify right side
    192,037.80x = 28,390,141,778.11
  5. Step 5: Solve for x
    x = 28,390,141,778.11/192,037.80
  6. Step 6: Final answer
    x = 147,836.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.