Home / 123,538.66-185,307.98-30,043.60

Finding the Fourth Proportional to 123,538.66, 185,307.98 and 30,043.60

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Solution

The fourth proportional to 123,538.66, 185,307.98 and 30,043.60 is: 45,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,538.66 : 185,307.98 = 30,043.60 : x
  2. Step 2: Convert to fraction form
    123,538.66/185,307.98 = 30,043.60/x
  3. Step 3: Cross multiply
    123,538.66x = 185,307.98 × 30,043.60
  4. Step 4: Simplify right side
    123,538.66x = 5,567,318,827.93
  5. Step 5: Solve for x
    x = 5,567,318,827.93/123,538.66
  6. Step 6: Final answer
    x = 45,065.40

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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.