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Finding the Fourth Proportional to 124,548.89, 186,803.22 and 35,782.20

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Solution

The fourth proportional to 124,548.89, 186,803.22 and 35,782.20 is: 53,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,548.89 : 186,803.22 = 35,782.20 : x
  2. Step 2: Convert to fraction form
    124,548.89/186,803.22 = 35,782.20/x
  3. Step 3: Cross multiply
    124,548.89x = 186,803.22 × 35,782.20
  4. Step 4: Simplify right side
    124,548.89x = 6,684,230,178.68
  5. Step 5: Solve for x
    x = 6,684,230,178.68/124,548.89
  6. Step 6: Final answer
    x = 53,667.52

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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.