Home / 125,410.24-188,114.85-45,429.51

Finding the Fourth Proportional to 125,410.24, 188,114.85 and 45,429.51

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Solution

The fourth proportional to 125,410.24, 188,114.85 and 45,429.51 is: 68,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,410.24 : 188,114.85 = 45,429.51 : x
  2. Step 2: Convert to fraction form
    125,410.24/188,114.85 = 45,429.51/x
  3. Step 3: Cross multiply
    125,410.24x = 188,114.85 × 45,429.51
  4. Step 4: Simplify right side
    125,410.24x = 8,545,965,459.22
  5. Step 5: Solve for x
    x = 8,545,965,459.22/125,410.24
  6. Step 6: Final answer
    x = 68,144.08

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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.