Home / 145,973.22-201,436.92-82,316.94

Finding the Fourth Proportional to 145,973.22, 201,436.92 and 82,316.94

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Solution

The fourth proportional to 145,973.22, 201,436.92 and 82,316.94 is: 113,593.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,973.22 : 201,436.92 = 82,316.94 : x
  2. Step 2: Convert to fraction form
    145,973.22/201,436.92 = 82,316.94/x
  3. Step 3: Cross multiply
    145,973.22x = 201,436.92 × 82,316.94
  4. Step 4: Simplify right side
    145,973.22x = 16,581,670,857.42
  5. Step 5: Solve for x
    x = 16,581,670,857.42/145,973.22
  6. Step 6: Final answer
    x = 113,593.92

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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.