Home / 134,853.58-186,091.63-77,452.53

Finding the Fourth Proportional to 134,853.58, 186,091.63 and 77,452.53

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Solution

The fourth proportional to 134,853.58, 186,091.63 and 77,452.53 is: 106,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,853.58 : 186,091.63 = 77,452.53 : x
  2. Step 2: Convert to fraction form
    134,853.58/186,091.63 = 77,452.53/x
  3. Step 3: Cross multiply
    134,853.58x = 186,091.63 × 77,452.53
  4. Step 4: Simplify right side
    134,853.58x = 14,413,267,555.32
  5. Step 5: Solve for x
    x = 14,413,267,555.32/134,853.58
  6. Step 6: Final answer
    x = 106,880.87

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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.