Home / 145,962.72-201,428.22-82,300.08

Finding the Fourth Proportional to 145,962.72, 201,428.22 and 82,300.08

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Solution

The fourth proportional to 145,962.72, 201,428.22 and 82,300.08 is: 113,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,962.72 : 201,428.22 = 82,300.08 : x
  2. Step 2: Convert to fraction form
    145,962.72/201,428.22 = 82,300.08/x
  3. Step 3: Cross multiply
    145,962.72x = 201,428.22 × 82,300.08
  4. Step 4: Simplify right side
    145,962.72x = 16,577,558,620.26
  5. Step 5: Solve for x
    x = 16,577,558,620.26/145,962.72
  6. Step 6: Final answer
    x = 113,573.92

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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.