Home / 149,384.40-224,076.60-74,518.80

Finding the Fourth Proportional to 149,384.40, 224,076.60 and 74,518.80

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Solution

The fourth proportional to 149,384.40, 224,076.60 and 74,518.80 is: 111,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,384.40 : 224,076.60 = 74,518.80 : x
  2. Step 2: Convert to fraction form
    149,384.40/224,076.60 = 74,518.80/x
  3. Step 3: Cross multiply
    149,384.40x = 224,076.60 × 74,518.80
  4. Step 4: Simplify right side
    149,384.40x = 16,697,919,340.08
  5. Step 5: Solve for x
    x = 16,697,919,340.08/149,384.40
  6. Step 6: Final answer
    x = 111,778.20

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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.