Home / 145,871.01-201,027.18-105,516.33

Finding the Fourth Proportional to 145,871.01, 201,027.18 and 105,516.33

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Solution

The fourth proportional to 145,871.01, 201,027.18 and 105,516.33 is: 145,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,871.01 : 201,027.18 = 105,516.33 : x
  2. Step 2: Convert to fraction form
    145,871.01/201,027.18 = 105,516.33/x
  3. Step 3: Cross multiply
    145,871.01x = 201,027.18 × 105,516.33
  4. Step 4: Simplify right side
    145,871.01x = 21,211,650,263.85
  5. Step 5: Solve for x
    x = 21,211,650,263.85/145,871.01
  6. Step 6: Final answer
    x = 145,413.75

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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.