Home / 146,737.90-220,106.85-71,869.60

Finding the Fourth Proportional to 146,737.90, 220,106.85 and 71,869.60

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Solution

The fourth proportional to 146,737.90, 220,106.85 and 71,869.60 is: 107,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,737.90 : 220,106.85 = 71,869.60 : x
  2. Step 2: Convert to fraction form
    146,737.90/220,106.85 = 71,869.60/x
  3. Step 3: Cross multiply
    146,737.90x = 220,106.85 × 71,869.60
  4. Step 4: Simplify right side
    146,737.90x = 15,818,991,266.76
  5. Step 5: Solve for x
    x = 15,818,991,266.76/146,737.90
  6. Step 6: Final answer
    x = 107,804.40

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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.