Home / 122,381.75-183,583.56-38,142.63

Finding the Fourth Proportional to 122,381.75, 183,583.56 and 38,142.63

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Solution

The fourth proportional to 122,381.75, 183,583.56 and 38,142.63 is: 57,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,381.75 : 183,583.56 = 38,142.63 : x
  2. Step 2: Convert to fraction form
    122,381.75/183,583.56 = 38,142.63/x
  3. Step 3: Cross multiply
    122,381.75x = 183,583.56 × 38,142.63
  4. Step 4: Simplify right side
    122,381.75x = 7,002,359,803.16
  5. Step 5: Solve for x
    x = 7,002,359,803.16/122,381.75
  6. Step 6: Final answer
    x = 57,217.35

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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.