Home / 148,010.60-221,870.10-73,142.30

Finding the Fourth Proportional to 148,010.60, 221,870.10 and 73,142.30

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Solution

The fourth proportional to 148,010.60, 221,870.10 and 73,142.30 is: 109,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,010.60 : 221,870.10 = 73,142.30 : x
  2. Step 2: Convert to fraction form
    148,010.60/221,870.10 = 73,142.30/x
  3. Step 3: Cross multiply
    148,010.60x = 221,870.10 × 73,142.30
  4. Step 4: Simplify right side
    148,010.60x = 16,228,089,415.23
  5. Step 5: Solve for x
    x = 16,228,089,415.23/148,010.60
  6. Step 6: Final answer
    x = 109,641.40

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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.