Home / 145,367.32-200,596.92-81,714.72

Finding the Fourth Proportional to 145,367.32, 200,596.92 and 81,714.72

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Solution

The fourth proportional to 145,367.32, 200,596.92 and 81,714.72 is: 112,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,367.32 : 200,596.92 = 81,714.72 : x
  2. Step 2: Convert to fraction form
    145,367.32/200,596.92 = 81,714.72/x
  3. Step 3: Cross multiply
    145,367.32x = 200,596.92 × 81,714.72
  4. Step 4: Simplify right side
    145,367.32x = 16,391,721,150.66
  5. Step 5: Solve for x
    x = 16,391,721,150.66/145,367.32
  6. Step 6: Final answer
    x = 112,760.70

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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.