Home / 154,941.36-231,913.73-79,959.35

Finding the Fourth Proportional to 154,941.36, 231,913.73 and 79,959.35

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Solution

The fourth proportional to 154,941.36, 231,913.73 and 79,959.35 is: 119,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,941.36 : 231,913.73 = 79,959.35 : x
  2. Step 2: Convert to fraction form
    154,941.36/231,913.73 = 79,959.35/x
  3. Step 3: Cross multiply
    154,941.36x = 231,913.73 × 79,959.35
  4. Step 4: Simplify right side
    154,941.36x = 18,543,671,886.56
  5. Step 5: Solve for x
    x = 18,543,671,886.56/154,941.36
  6. Step 6: Final answer
    x = 119,681.87

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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.