Home / 162,962.87-225,197.21-122,606.51

Finding the Fourth Proportional to 162,962.87, 225,197.21 and 122,606.51

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Solution

The fourth proportional to 162,962.87, 225,197.21 and 122,606.51 is: 169,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,962.87 : 225,197.21 = 122,606.51 : x
  2. Step 2: Convert to fraction form
    162,962.87/225,197.21 = 122,606.51/x
  3. Step 3: Cross multiply
    162,962.87x = 225,197.21 × 122,606.51
  4. Step 4: Simplify right side
    162,962.87x = 27,610,643,160.37
  5. Step 5: Solve for x
    x = 27,610,643,160.37/162,962.87
  6. Step 6: Final answer
    x = 169,429.05

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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.