Home / 145,896.03-218,942.46-57,138.46

Finding the Fourth Proportional to 145,896.03, 218,942.46 and 57,138.46

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Solution

The fourth proportional to 145,896.03, 218,942.46 and 57,138.46 is: 85,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,896.03 : 218,942.46 = 57,138.46 : x
  2. Step 2: Convert to fraction form
    145,896.03/218,942.46 = 57,138.46/x
  3. Step 3: Cross multiply
    145,896.03x = 218,942.46 × 57,138.46
  4. Step 4: Simplify right side
    145,896.03x = 12,510,034,445.66
  5. Step 5: Solve for x
    x = 12,510,034,445.66/145,896.03
  6. Step 6: Final answer
    x = 85,746.23

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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.