Home / 165,424.84-248,133.42-53,100.52

Finding the Fourth Proportional to 165,424.84, 248,133.42 and 53,100.52

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Solution

The fourth proportional to 165,424.84, 248,133.42 and 53,100.52 is: 79,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,424.84 : 248,133.42 = 53,100.52 : x
  2. Step 2: Convert to fraction form
    165,424.84/248,133.42 = 53,100.52/x
  3. Step 3: Cross multiply
    165,424.84x = 248,133.42 × 53,100.52
  4. Step 4: Simplify right side
    165,424.84x = 13,176,013,631.38
  5. Step 5: Solve for x
    x = 13,176,013,631.38/165,424.84
  6. Step 6: Final answer
    x = 79,649.55

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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.