Home / 146,041.37-201,543.21-82,379.15

Finding the Fourth Proportional to 146,041.37, 201,543.21 and 82,379.15

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Solution

The fourth proportional to 146,041.37, 201,543.21 and 82,379.15 is: 113,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,041.37 : 201,543.21 = 82,379.15 : x
  2. Step 2: Convert to fraction form
    146,041.37/201,543.21 = 82,379.15/x
  3. Step 3: Cross multiply
    146,041.37x = 201,543.21 × 82,379.15
  4. Step 4: Simplify right side
    146,041.37x = 16,602,957,320.36
  5. Step 5: Solve for x
    x = 16,602,957,320.36/146,041.37
  6. Step 6: Final answer
    x = 113,686.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.