Home / 135,297.04-186,628.28-89,356.96

Finding the Fourth Proportional to 135,297.04, 186,628.28 and 89,356.96

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Solution

The fourth proportional to 135,297.04, 186,628.28 and 89,356.96 is: 123,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,297.04 : 186,628.28 = 89,356.96 : x
  2. Step 2: Convert to fraction form
    135,297.04/186,628.28 = 89,356.96/x
  3. Step 3: Cross multiply
    135,297.04x = 186,628.28 × 89,356.96
  4. Step 4: Simplify right side
    135,297.04x = 16,676,535,750.83
  5. Step 5: Solve for x
    x = 16,676,535,750.83/135,297.04
  6. Step 6: Final answer
    x = 123,258.69

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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.