Home / 122,539.23-183,678.17-69,835.23

Finding the Fourth Proportional to 122,539.23, 183,678.17 and 69,835.23

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Solution

The fourth proportional to 122,539.23, 183,678.17 and 69,835.23 is: 104,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,539.23 : 183,678.17 = 69,835.23 : x
  2. Step 2: Convert to fraction form
    122,539.23/183,678.17 = 69,835.23/x
  3. Step 3: Cross multiply
    122,539.23x = 183,678.17 × 69,835.23
  4. Step 4: Simplify right side
    122,539.23x = 12,827,206,898.75
  5. Step 5: Solve for x
    x = 12,827,206,898.75/122,539.23
  6. Step 6: Final answer
    x = 104,678.37

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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.