Home / 102,962.95-154,163.52-77,927.27

Finding the Fourth Proportional to 102,962.95, 154,163.52 and 77,927.27

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Solution

The fourth proportional to 102,962.95, 154,163.52 and 77,927.27 is: 116,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,962.95 : 154,163.52 = 77,927.27 : x
  2. Step 2: Convert to fraction form
    102,962.95/154,163.52 = 77,927.27/x
  3. Step 3: Cross multiply
    102,962.95x = 154,163.52 × 77,927.27
  4. Step 4: Simplify right side
    102,962.95x = 12,013,541,476.37
  5. Step 5: Solve for x
    x = 12,013,541,476.37/102,962.95
  6. Step 6: Final answer
    x = 116,678.30

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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.