Home / 197,092.40-295,638.60-72,417.20

Finding the Fourth Proportional to 197,092.40, 295,638.60 and 72,417.20

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Solution

The fourth proportional to 197,092.40, 295,638.60 and 72,417.20 is: 108,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,092.40 : 295,638.60 = 72,417.20 : x
  2. Step 2: Convert to fraction form
    197,092.40/295,638.60 = 72,417.20/x
  3. Step 3: Cross multiply
    197,092.40x = 295,638.60 × 72,417.20
  4. Step 4: Simplify right side
    197,092.40x = 21,409,319,623.92
  5. Step 5: Solve for x
    x = 21,409,319,623.92/197,092.40
  6. Step 6: Final answer
    x = 108,625.80

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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.