Home / 134,422.63-185,481.51-77,051.38

Finding the Fourth Proportional to 134,422.63, 185,481.51 and 77,051.38

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Solution

The fourth proportional to 134,422.63, 185,481.51 and 77,051.38 is: 106,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,422.63 : 185,481.51 = 77,051.38 : x
  2. Step 2: Convert to fraction form
    134,422.63/185,481.51 = 77,051.38/x
  3. Step 3: Cross multiply
    134,422.63x = 185,481.51 × 77,051.38
  4. Step 4: Simplify right side
    134,422.63x = 14,291,606,309.98
  5. Step 5: Solve for x
    x = 14,291,606,309.98/134,422.63
  6. Step 6: Final answer
    x = 106,318.45

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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.