Home / 190,724.64-285,890.08-124,294.56

Finding the Fourth Proportional to 190,724.64, 285,890.08 and 124,294.56

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Solution

The fourth proportional to 190,724.64, 285,890.08 and 124,294.56 is: 186,313.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,724.64 : 285,890.08 = 124,294.56 : x
  2. Step 2: Convert to fraction form
    190,724.64/285,890.08 = 124,294.56/x
  3. Step 3: Cross multiply
    190,724.64x = 285,890.08 × 124,294.56
  4. Step 4: Simplify right side
    190,724.64x = 35,534,581,701.96
  5. Step 5: Solve for x
    x = 35,534,581,701.96/190,724.64
  6. Step 6: Final answer
    x = 186,313.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.