Home / 122,422.12-183,615.90-39,305.32

Finding the Fourth Proportional to 122,422.12, 183,615.90 and 39,305.32

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Solution

The fourth proportional to 122,422.12, 183,615.90 and 39,305.32 is: 58,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,422.12 : 183,615.90 = 39,305.32 : x
  2. Step 2: Convert to fraction form
    122,422.12/183,615.90 = 39,305.32/x
  3. Step 3: Cross multiply
    122,422.12x = 183,615.90 × 39,305.32
  4. Step 4: Simplify right side
    122,422.12x = 7,217,081,706.59
  5. Step 5: Solve for x
    x = 7,217,081,706.59/122,422.12
  6. Step 6: Final answer
    x = 58,952.43

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1.5x scale

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.