Home / 122,686.49-183,954.38-47,719.26

Finding the Fourth Proportional to 122,686.49, 183,954.38 and 47,719.26

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Solution

The fourth proportional to 122,686.49, 183,954.38 and 47,719.26 is: 71,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,686.49 : 183,954.38 = 47,719.26 : x
  2. Step 2: Convert to fraction form
    122,686.49/183,954.38 = 47,719.26/x
  3. Step 3: Cross multiply
    122,686.49x = 183,954.38 × 47,719.26
  4. Step 4: Simplify right side
    122,686.49x = 8,778,166,648.76
  5. Step 5: Solve for x
    x = 8,778,166,648.76/122,686.49
  6. Step 6: Final answer
    x = 71,549.58

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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.