Home / 125,929.86-188,768.58-58,509.26

Finding the Fourth Proportional to 125,929.86, 188,768.58 and 58,509.26

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Solution

The fourth proportional to 125,929.86, 188,768.58 and 58,509.26 is: 87,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,929.86 : 188,768.58 = 58,509.26 : x
  2. Step 2: Convert to fraction form
    125,929.86/188,768.58 = 58,509.26/x
  3. Step 3: Cross multiply
    125,929.86x = 188,768.58 × 58,509.26
  4. Step 4: Simplify right side
    125,929.86x = 11,044,709,927.05
  5. Step 5: Solve for x
    x = 11,044,709,927.05/125,929.86
  6. Step 6: Final answer
    x = 87,705.25

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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.