Home / 134,394.39-185,464.22-77,804.55

Finding the Fourth Proportional to 134,394.39, 185,464.22 and 77,804.55

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Solution

The fourth proportional to 134,394.39, 185,464.22 and 77,804.55 is: 107,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,394.39 : 185,464.22 = 77,804.55 : x
  2. Step 2: Convert to fraction form
    134,394.39/185,464.22 = 77,804.55/x
  3. Step 3: Cross multiply
    134,394.39x = 185,464.22 × 77,804.55
  4. Step 4: Simplify right side
    134,394.39x = 14,429,959,789.18
  5. Step 5: Solve for x
    x = 14,429,959,789.18/134,394.39
  6. Step 6: Final answer
    x = 107,370.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.