Home / 173,380.18-260,145.40-61,140.60

Finding the Fourth Proportional to 173,380.18, 260,145.40 and 61,140.60

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Solution

The fourth proportional to 173,380.18, 260,145.40 and 61,140.60 is: 91,737.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,380.18 : 260,145.40 = 61,140.60 : x
  2. Step 2: Convert to fraction form
    173,380.18/260,145.40 = 61,140.60/x
  3. Step 3: Cross multiply
    173,380.18x = 260,145.40 × 61,140.60
  4. Step 4: Simplify right side
    173,380.18x = 15,905,445,843.24
  5. Step 5: Solve for x
    x = 15,905,445,843.24/173,380.18
  6. Step 6: Final answer
    x = 91,737.39

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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.