Home / 122,433.48-183,637.26-39,321

Finding the Fourth Proportional to 122,433.48, 183,637.26 and 39,321

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Solution

The fourth proportional to 122,433.48, 183,637.26 and 39,321 is: 58,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,433.48 : 183,637.26 = 39,321 : x
  2. Step 2: Convert to fraction form
    122,433.48/183,637.26 = 39,321/x
  3. Step 3: Cross multiply
    122,433.48x = 183,637.26 × 39,321
  4. Step 4: Simplify right side
    122,433.48x = 7,220,800,700.46
  5. Step 5: Solve for x
    x = 7,220,800,700.46/122,433.48
  6. Step 6: Final answer
    x = 58,977.34

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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.