Home / 125,508.63-188,257.19-42,403.35

Finding the Fourth Proportional to 125,508.63, 188,257.19 and 42,403.35

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Solution

The fourth proportional to 125,508.63, 188,257.19 and 42,403.35 is: 63,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,508.63 : 188,257.19 = 42,403.35 : x
  2. Step 2: Convert to fraction form
    125,508.63/188,257.19 = 42,403.35/x
  3. Step 3: Cross multiply
    125,508.63x = 188,257.19 × 42,403.35
  4. Step 4: Simplify right side
    125,508.63x = 7,982,735,305.57
  5. Step 5: Solve for x
    x = 7,982,735,305.57/125,508.63
  6. Step 6: Final answer
    x = 63,603.08

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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.