Home / 108,653.34-162,853.89-41,142.45

Finding the Fourth Proportional to 108,653.34, 162,853.89 and 41,142.45

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Solution

The fourth proportional to 108,653.34, 162,853.89 and 41,142.45 is: 61,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,653.34 : 162,853.89 = 41,142.45 : x
  2. Step 2: Convert to fraction form
    108,653.34/162,853.89 = 41,142.45/x
  3. Step 3: Cross multiply
    108,653.34x = 162,853.89 × 41,142.45
  4. Step 4: Simplify right side
    108,653.34x = 6,700,208,026.63
  5. Step 5: Solve for x
    x = 6,700,208,026.63/108,653.34
  6. Step 6: Final answer
    x = 61,665.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.