Home / 114,028.20-170,783.10-72,037.80

Finding the Fourth Proportional to 114,028.20, 170,783.10 and 72,037.80

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Solution

The fourth proportional to 114,028.20, 170,783.10 and 72,037.80 is: 107,892.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,028.20 : 170,783.10 = 72,037.80 : x
  2. Step 2: Convert to fraction form
    114,028.20/170,783.10 = 72,037.80/x
  3. Step 3: Cross multiply
    114,028.20x = 170,783.10 × 72,037.80
  4. Step 4: Simplify right side
    114,028.20x = 12,302,838,801.18
  5. Step 5: Solve for x
    x = 12,302,838,801.18/114,028.20
  6. Step 6: Final answer
    x = 107,892.95

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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.