Home / 122,389.42-183,585.74-47,513.82

Finding the Fourth Proportional to 122,389.42, 183,585.74 and 47,513.82

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Solution

The fourth proportional to 122,389.42, 183,585.74 and 47,513.82 is: 71,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,389.42 : 183,585.74 = 47,513.82 : x
  2. Step 2: Convert to fraction form
    122,389.42/183,585.74 = 47,513.82/x
  3. Step 3: Cross multiply
    122,389.42x = 183,585.74 × 47,513.82
  4. Step 4: Simplify right side
    122,389.42x = 8,722,859,804.93
  5. Step 5: Solve for x
    x = 8,722,859,804.93/122,389.42
  6. Step 6: Final answer
    x = 71,271.36

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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.