Home / 134,502.32-185,611.44-77,918.96

Finding the Fourth Proportional to 134,502.32, 185,611.44 and 77,918.96

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Solution

The fourth proportional to 134,502.32, 185,611.44 and 77,918.96 is: 107,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,502.32 : 185,611.44 = 77,918.96 : x
  2. Step 2: Convert to fraction form
    134,502.32/185,611.44 = 77,918.96/x
  3. Step 3: Cross multiply
    134,502.32x = 185,611.44 × 77,918.96
  4. Step 4: Simplify right side
    134,502.32x = 14,462,650,368.90
  5. Step 5: Solve for x
    x = 14,462,650,368.90/134,502.32
  6. Step 6: Final answer
    x = 107,527.14

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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.