Home / 142,590.32-196,726.44-82,159.40

Finding the Fourth Proportional to 142,590.32, 196,726.44 and 82,159.40

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Solution

The fourth proportional to 142,590.32, 196,726.44 and 82,159.40 is: 113,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,590.32 : 196,726.44 = 82,159.40 : x
  2. Step 2: Convert to fraction form
    142,590.32/196,726.44 = 82,159.40/x
  3. Step 3: Cross multiply
    142,590.32x = 196,726.44 × 82,159.40
  4. Step 4: Simplify right side
    142,590.32x = 16,162,926,274.54
  5. Step 5: Solve for x
    x = 16,162,926,274.54/142,590.32
  6. Step 6: Final answer
    x = 113,352.20

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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.