Home / 234,681.12-323,775.09-154,152

Finding the Fourth Proportional to 234,681.12, 323,775.09 and 154,152

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Solution

The fourth proportional to 234,681.12, 323,775.09 and 154,152 is: 212,674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,681.12 : 323,775.09 = 154,152 : x
  2. Step 2: Convert to fraction form
    234,681.12/323,775.09 = 154,152/x
  3. Step 3: Cross multiply
    234,681.12x = 323,775.09 × 154,152
  4. Step 4: Simplify right side
    234,681.12x = 49,910,577,673.68
  5. Step 5: Solve for x
    x = 49,910,577,673.68/234,681.12
  6. Step 6: Final answer
    x = 212,674.02

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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.