Home / 145,795.48-201,162.36-82,133.20

Finding the Fourth Proportional to 145,795.48, 201,162.36 and 82,133.20

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Solution

The fourth proportional to 145,795.48, 201,162.36 and 82,133.20 is: 113,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,795.48 : 201,162.36 = 82,133.20 : x
  2. Step 2: Convert to fraction form
    145,795.48/201,162.36 = 82,133.20/x
  3. Step 3: Cross multiply
    145,795.48x = 201,162.36 × 82,133.20
  4. Step 4: Simplify right side
    145,795.48x = 16,522,108,346.35
  5. Step 5: Solve for x
    x = 16,522,108,346.35/145,795.48
  6. Step 6: Final answer
    x = 113,323.87

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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.