Home / 145,764.86-201,156.63-82,096.70

Finding the Fourth Proportional to 145,764.86, 201,156.63 and 82,096.70

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Solution

The fourth proportional to 145,764.86, 201,156.63 and 82,096.70 is: 113,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,764.86 : 201,156.63 = 82,096.70 : x
  2. Step 2: Convert to fraction form
    145,764.86/201,156.63 = 82,096.70/x
  3. Step 3: Cross multiply
    145,764.86x = 201,156.63 × 82,096.70
  4. Step 4: Simplify right side
    145,764.86x = 16,514,295,506.12
  5. Step 5: Solve for x
    x = 16,514,295,506.12/145,764.86
  6. Step 6: Final answer
    x = 113,294.08

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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.