Home / 135,225.79-186,764.75-92,130.50

Finding the Fourth Proportional to 135,225.79, 186,764.75 and 92,130.50

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Solution

The fourth proportional to 135,225.79, 186,764.75 and 92,130.50 is: 127,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,225.79 : 186,764.75 = 92,130.50 : x
  2. Step 2: Convert to fraction form
    135,225.79/186,764.75 = 92,130.50/x
  3. Step 3: Cross multiply
    135,225.79x = 186,764.75 × 92,130.50
  4. Step 4: Simplify right side
    135,225.79x = 17,206,729,799.88
  5. Step 5: Solve for x
    x = 17,206,729,799.88/135,225.79
  6. Step 6: Final answer
    x = 127,244.44

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1.5x scale

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.