Home / 125,328.48-188,005.68-42,228.96

Finding the Fourth Proportional to 125,328.48, 188,005.68 and 42,228.96

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Solution

The fourth proportional to 125,328.48, 188,005.68 and 42,228.96 is: 63,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,328.48 : 188,005.68 = 42,228.96 : x
  2. Step 2: Convert to fraction form
    125,328.48/188,005.68 = 42,228.96/x
  3. Step 3: Cross multiply
    125,328.48x = 188,005.68 × 42,228.96
  4. Step 4: Simplify right side
    125,328.48x = 7,939,284,340.49
  5. Step 5: Solve for x
    x = 7,939,284,340.49/125,328.48
  6. Step 6: Final answer
    x = 63,347.81

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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.