Home / 137,254.51-189,375.29-79,097.00

Finding the Fourth Proportional to 137,254.51, 189,375.29 and 79,097.00

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Solution

The fourth proportional to 137,254.51, 189,375.29 and 79,097.00 is: 109,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,254.51 : 189,375.29 = 79,097.00 : x
  2. Step 2: Convert to fraction form
    137,254.51/189,375.29 = 79,097.00/x
  3. Step 3: Cross multiply
    137,254.51x = 189,375.29 × 79,097.00
  4. Step 4: Simplify right side
    137,254.51x = 14,979,017,332.62
  5. Step 5: Solve for x
    x = 14,979,017,332.62/137,254.51
  6. Step 6: Final answer
    x = 109,133.15

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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.