Home / 134,550.72-185,681.97-77,199.35

Finding the Fourth Proportional to 134,550.72, 185,681.97 and 77,199.35

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Solution

The fourth proportional to 134,550.72, 185,681.97 and 77,199.35 is: 106,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,550.72 : 185,681.97 = 77,199.35 : x
  2. Step 2: Convert to fraction form
    134,550.72/185,681.97 = 77,199.35/x
  3. Step 3: Cross multiply
    134,550.72x = 185,681.97 × 77,199.35
  4. Step 4: Simplify right side
    134,550.72x = 14,334,526,462.31
  5. Step 5: Solve for x
    x = 14,334,526,462.31/134,550.72
  6. Step 6: Final answer
    x = 106,536.23

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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.