Home / 109,225.32-163,896.84-46,089.20

Finding the Fourth Proportional to 109,225.32, 163,896.84 and 46,089.20

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Solution

The fourth proportional to 109,225.32, 163,896.84 and 46,089.20 is: 69,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,225.32 : 163,896.84 = 46,089.20 : x
  2. Step 2: Convert to fraction form
    109,225.32/163,896.84 = 46,089.20/x
  3. Step 3: Cross multiply
    109,225.32x = 163,896.84 × 46,089.20
  4. Step 4: Simplify right side
    109,225.32x = 7,553,874,238.13
  5. Step 5: Solve for x
    x = 7,553,874,238.13/109,225.32
  6. Step 6: Final answer
    x = 69,158.64

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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.