Home / 134,464.63-185,571.93-77,109.22

Finding the Fourth Proportional to 134,464.63, 185,571.93 and 77,109.22

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Solution

The fourth proportional to 134,464.63, 185,571.93 and 77,109.22 is: 106,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,464.63 : 185,571.93 = 77,109.22 : x
  2. Step 2: Convert to fraction form
    134,464.63/185,571.93 = 77,109.22/x
  3. Step 3: Cross multiply
    134,464.63x = 185,571.93 × 77,109.22
  4. Step 4: Simplify right side
    134,464.63x = 14,309,306,776.19
  5. Step 5: Solve for x
    x = 14,309,306,776.19/134,464.63
  6. Step 6: Final answer
    x = 106,416.88

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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.