Home / 109,052.32-163,620.56-42,539.68

Finding the Fourth Proportional to 109,052.32, 163,620.56 and 42,539.68

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Solution

The fourth proportional to 109,052.32, 163,620.56 and 42,539.68 is: 63,825.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,052.32 : 163,620.56 = 42,539.68 : x
  2. Step 2: Convert to fraction form
    109,052.32/163,620.56 = 42,539.68/x
  3. Step 3: Cross multiply
    109,052.32x = 163,620.56 × 42,539.68
  4. Step 4: Simplify right side
    109,052.32x = 6,960,366,263.82
  5. Step 5: Solve for x
    x = 6,960,366,263.82/109,052.32
  6. Step 6: Final answer
    x = 63,825.93

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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.