Home / 148,038.60-221,912.10-73,170.30

Finding the Fourth Proportional to 148,038.60, 221,912.10 and 73,170.30

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Solution

The fourth proportional to 148,038.60, 221,912.10 and 73,170.30 is: 109,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,038.60 : 221,912.10 = 73,170.30 : x
  2. Step 2: Convert to fraction form
    148,038.60/221,912.10 = 73,170.30/x
  3. Step 3: Cross multiply
    148,038.60x = 221,912.10 × 73,170.30
  4. Step 4: Simplify right side
    148,038.60x = 16,237,374,930.63
  5. Step 5: Solve for x
    x = 16,237,374,930.63/148,038.60
  6. Step 6: Final answer
    x = 109,683.39

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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.