Home / 134,834.56-186,065.44-77,433.50

Finding the Fourth Proportional to 134,834.56, 186,065.44 and 77,433.50

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Solution

The fourth proportional to 134,834.56, 186,065.44 and 77,433.50 is: 106,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,834.56 : 186,065.44 = 77,433.50 : x
  2. Step 2: Convert to fraction form
    134,834.56/186,065.44 = 77,433.50/x
  3. Step 3: Cross multiply
    134,834.56x = 186,065.44 × 77,433.50
  4. Step 4: Simplify right side
    134,834.56x = 14,407,698,519.82
  5. Step 5: Solve for x
    x = 14,407,698,519.82/134,834.56
  6. Step 6: Final answer
    x = 106,854.64

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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.