Home / 135,274.90-186,667.08-77,898.94

Finding the Fourth Proportional to 135,274.90, 186,667.08 and 77,898.94

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Solution

The fourth proportional to 135,274.90, 186,667.08 and 77,898.94 is: 107,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,274.90 : 186,667.08 = 77,898.94 : x
  2. Step 2: Convert to fraction form
    135,274.90/186,667.08 = 77,898.94/x
  3. Step 3: Cross multiply
    135,274.90x = 186,667.08 × 77,898.94
  4. Step 4: Simplify right side
    135,274.90x = 14,541,167,664.90
  5. Step 5: Solve for x
    x = 14,541,167,664.90/135,274.90
  6. Step 6: Final answer
    x = 107,493.46

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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.