Home / 135,411.79-186,867.79-75,795.79

Finding the Fourth Proportional to 135,411.79, 186,867.79 and 75,795.79

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Solution

The fourth proportional to 135,411.79, 186,867.79 and 75,795.79 is: 104,597.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,411.79 : 186,867.79 = 75,795.79 : x
  2. Step 2: Convert to fraction form
    135,411.79/186,867.79 = 75,795.79/x
  3. Step 3: Cross multiply
    135,411.79x = 186,867.79 × 75,795.79
  4. Step 4: Simplify right side
    135,411.79x = 14,163,791,768.60
  5. Step 5: Solve for x
    x = 14,163,791,768.60/135,411.79
  6. Step 6: Final answer
    x = 104,597.92

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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.