Home / 140,271.90-193,572.58-79,018.27

Finding the Fourth Proportional to 140,271.90, 193,572.58 and 79,018.27

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Solution

The fourth proportional to 140,271.90, 193,572.58 and 79,018.27 is: 109,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,271.90 : 193,572.58 = 79,018.27 : x
  2. Step 2: Convert to fraction form
    140,271.90/193,572.58 = 79,018.27/x
  3. Step 3: Cross multiply
    140,271.90x = 193,572.58 × 79,018.27
  4. Step 4: Simplify right side
    140,271.90x = 15,295,770,391.04
  5. Step 5: Solve for x
    x = 15,295,770,391.04/140,271.90
  6. Step 6: Final answer
    x = 109,043.72

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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.