Home / 192,037.60-288,056.40-172,403.20

Finding the Fourth Proportional to 192,037.60, 288,056.40 and 172,403.20

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Solution

The fourth proportional to 192,037.60, 288,056.40 and 172,403.20 is: 258,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,037.60 : 288,056.40 = 172,403.20 : x
  2. Step 2: Convert to fraction form
    192,037.60/288,056.40 = 172,403.20/x
  3. Step 3: Cross multiply
    192,037.60x = 288,056.40 × 172,403.20
  4. Step 4: Simplify right side
    192,037.60x = 49,661,845,140.48
  5. Step 5: Solve for x
    x = 49,661,845,140.48/192,037.60
  6. Step 6: Final answer
    x = 258,604.80

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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.