Home / 122,439.89-183,730.76-51,356.19

Finding the Fourth Proportional to 122,439.89, 183,730.76 and 51,356.19

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Solution

The fourth proportional to 122,439.89, 183,730.76 and 51,356.19 is: 77,064.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,439.89 : 183,730.76 = 51,356.19 : x
  2. Step 2: Convert to fraction form
    122,439.89/183,730.76 = 51,356.19/x
  3. Step 3: Cross multiply
    122,439.89x = 183,730.76 × 51,356.19
  4. Step 4: Simplify right side
    122,439.89x = 9,435,710,749.53
  5. Step 5: Solve for x
    x = 9,435,710,749.53/122,439.89
  6. Step 6: Final answer
    x = 77,064.03

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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.