Home / 268,097.18-402,145.55-68,417.60

Finding the Fourth Proportional to 268,097.18, 402,145.55 and 68,417.60

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Solution

The fourth proportional to 268,097.18, 402,145.55 and 68,417.60 is: 102,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,097.18 : 402,145.55 = 68,417.60 : x
  2. Step 2: Convert to fraction form
    268,097.18/402,145.55 = 68,417.60/x
  3. Step 3: Cross multiply
    268,097.18x = 402,145.55 × 68,417.60
  4. Step 4: Simplify right side
    268,097.18x = 27,513,833,039.59
  5. Step 5: Solve for x
    x = 27,513,833,039.59/268,097.18
  6. Step 6: Final answer
    x = 102,626.34

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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.