Home / 122,404.87-183,590.02-39,288.07

Finding the Fourth Proportional to 122,404.87, 183,590.02 and 39,288.07

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Solution

The fourth proportional to 122,404.87, 183,590.02 and 39,288.07 is: 58,926.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,404.87 : 183,590.02 = 39,288.07 : x
  2. Step 2: Convert to fraction form
    122,404.87/183,590.02 = 39,288.07/x
  3. Step 3: Cross multiply
    122,404.87x = 183,590.02 × 39,288.07
  4. Step 4: Simplify right side
    122,404.87x = 7,212,897,557.06
  5. Step 5: Solve for x
    x = 7,212,897,557.06/122,404.87
  6. Step 6: Final answer
    x = 58,926.56

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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.