Home / 149,564.20-224,457.50-70,702.60

Finding the Fourth Proportional to 149,564.20, 224,457.50 and 70,702.60

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Solution

The fourth proportional to 149,564.20, 224,457.50 and 70,702.60 is: 106,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,564.20 : 224,457.50 = 70,702.60 : x
  2. Step 2: Convert to fraction form
    149,564.20/224,457.50 = 70,702.60/x
  3. Step 3: Cross multiply
    149,564.20x = 224,457.50 × 70,702.60
  4. Step 4: Simplify right side
    149,564.20x = 15,869,728,839.50
  5. Step 5: Solve for x
    x = 15,869,728,839.50/149,564.20
  6. Step 6: Final answer
    x = 106,106.47

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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.