Home / 109,288.52-163,955.16-46,108.66

Finding the Fourth Proportional to 109,288.52, 163,955.16 and 46,108.66

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Solution

The fourth proportional to 109,288.52, 163,955.16 and 46,108.66 is: 69,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,288.52 : 163,955.16 = 46,108.66 : x
  2. Step 2: Convert to fraction form
    109,288.52/163,955.16 = 46,108.66/x
  3. Step 3: Cross multiply
    109,288.52x = 163,955.16 × 46,108.66
  4. Step 4: Simplify right side
    109,288.52x = 7,559,752,727.69
  5. Step 5: Solve for x
    x = 7,559,752,727.69/109,288.52
  6. Step 6: Final answer
    x = 69,172.43

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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.