Home / 149,648.40-224,170.20-93,315.60

Finding the Fourth Proportional to 149,648.40, 224,170.20 and 93,315.60

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Solution

The fourth proportional to 149,648.40, 224,170.20 and 93,315.60 is: 139,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,648.40 : 224,170.20 = 93,315.60 : x
  2. Step 2: Convert to fraction form
    149,648.40/224,170.20 = 93,315.60/x
  3. Step 3: Cross multiply
    149,648.40x = 224,170.20 × 93,315.60
  4. Step 4: Simplify right side
    149,648.40x = 20,918,576,715.12
  5. Step 5: Solve for x
    x = 20,918,576,715.12/149,648.40
  6. Step 6: Final answer
    x = 139,784.83

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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.