Home / 105,786.18-145,975.56-60,455.16

Finding the Fourth Proportional to 105,786.18, 145,975.56 and 60,455.16

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Solution

The fourth proportional to 105,786.18, 145,975.56 and 60,455.16 is: 83,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,786.18 : 145,975.56 = 60,455.16 : x
  2. Step 2: Convert to fraction form
    105,786.18/145,975.56 = 60,455.16/x
  3. Step 3: Cross multiply
    105,786.18x = 145,975.56 × 60,455.16
  4. Step 4: Simplify right side
    105,786.18x = 8,824,975,835.89
  5. Step 5: Solve for x
    x = 8,824,975,835.89/105,786.18
  6. Step 6: Final answer
    x = 83,422.77

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