Home / 187,829.40-282,035.70-109,097.40

Finding the Fourth Proportional to 187,829.40, 282,035.70 and 109,097.40

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Solution

The fourth proportional to 187,829.40, 282,035.70 and 109,097.40 is: 163,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,829.40 : 282,035.70 = 109,097.40 : x
  2. Step 2: Convert to fraction form
    187,829.40/282,035.70 = 109,097.40/x
  3. Step 3: Cross multiply
    187,829.40x = 282,035.70 × 109,097.40
  4. Step 4: Simplify right side
    187,829.40x = 30,769,361,577.18
  5. Step 5: Solve for x
    x = 30,769,361,577.18/187,829.40
  6. Step 6: Final answer
    x = 163,815.47

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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.