Home / 122,266.34-183,400.16-55,659.90

Finding the Fourth Proportional to 122,266.34, 183,400.16 and 55,659.90

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Solution

The fourth proportional to 122,266.34, 183,400.16 and 55,659.90 is: 83,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,266.34 : 183,400.16 = 55,659.90 : x
  2. Step 2: Convert to fraction form
    122,266.34/183,400.16 = 55,659.90/x
  3. Step 3: Cross multiply
    122,266.34x = 183,400.16 × 55,659.90
  4. Step 4: Simplify right side
    122,266.34x = 10,208,034,565.58
  5. Step 5: Solve for x
    x = 10,208,034,565.58/122,266.34
  6. Step 6: Final answer
    x = 83,490.15

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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.