Home / 123,864.42-185,800.14-30,370.08

Finding the Fourth Proportional to 123,864.42, 185,800.14 and 30,370.08

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Solution

The fourth proportional to 123,864.42, 185,800.14 and 30,370.08 is: 45,555.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,864.42 : 185,800.14 = 30,370.08 : x
  2. Step 2: Convert to fraction form
    123,864.42/185,800.14 = 30,370.08/x
  3. Step 3: Cross multiply
    123,864.42x = 185,800.14 × 30,370.08
  4. Step 4: Simplify right side
    123,864.42x = 5,642,765,115.81
  5. Step 5: Solve for x
    x = 5,642,765,115.81/123,864.42
  6. Step 6: Final answer
    x = 45,555.98

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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.