Home / 109,326.51-164,002.89-103,347.79

Finding the Fourth Proportional to 109,326.51, 164,002.89 and 103,347.79

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Solution

The fourth proportional to 109,326.51, 164,002.89 and 103,347.79 is: 155,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,326.51 : 164,002.89 = 103,347.79 : x
  2. Step 2: Convert to fraction form
    109,326.51/164,002.89 = 103,347.79/x
  3. Step 3: Cross multiply
    109,326.51x = 164,002.89 × 103,347.79
  4. Step 4: Simplify right side
    109,326.51x = 16,949,336,235.11
  5. Step 5: Solve for x
    x = 16,949,336,235.11/109,326.51
  6. Step 6: Final answer
    x = 155,034.10

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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.