Home / 125,502.40-188,127.24-55,369.36

Finding the Fourth Proportional to 125,502.40, 188,127.24 and 55,369.36

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Solution

The fourth proportional to 125,502.40, 188,127.24 and 55,369.36 is: 82,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,502.40 : 188,127.24 = 55,369.36 : x
  2. Step 2: Convert to fraction form
    125,502.40/188,127.24 = 55,369.36/x
  3. Step 3: Cross multiply
    125,502.40x = 188,127.24 × 55,369.36
  4. Step 4: Simplify right side
    125,502.40x = 10,416,484,877.37
  5. Step 5: Solve for x
    x = 10,416,484,877.37/125,502.40
  6. Step 6: Final answer
    x = 82,998.29

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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.