Home / 134,813.72-186,059.40-77,452.94

Finding the Fourth Proportional to 134,813.72, 186,059.40 and 77,452.94

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Solution

The fourth proportional to 134,813.72, 186,059.40 and 77,452.94 is: 106,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,813.72 : 186,059.40 = 77,452.94 : x
  2. Step 2: Convert to fraction form
    134,813.72/186,059.40 = 77,452.94/x
  3. Step 3: Cross multiply
    134,813.72x = 186,059.40 × 77,452.94
  4. Step 4: Simplify right side
    134,813.72x = 14,410,847,544.64
  5. Step 5: Solve for x
    x = 14,410,847,544.64/134,813.72
  6. Step 6: Final answer
    x = 106,894.52

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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.