Home / 134,809.26-186,033.69-74,385.60

Finding the Fourth Proportional to 134,809.26, 186,033.69 and 74,385.60

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Solution

The fourth proportional to 134,809.26, 186,033.69 and 74,385.60 is: 102,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,809.26 : 186,033.69 = 74,385.60 : x
  2. Step 2: Convert to fraction form
    134,809.26/186,033.69 = 74,385.60/x
  3. Step 3: Cross multiply
    134,809.26x = 186,033.69 × 74,385.60
  4. Step 4: Simplify right side
    134,809.26x = 13,838,227,650.86
  5. Step 5: Solve for x
    x = 13,838,227,650.86/134,809.26
  6. Step 6: Final answer
    x = 102,650.42

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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.