Home / 134,629.24-185,780.77-74,199.70

Finding the Fourth Proportional to 134,629.24, 185,780.77 and 74,199.70

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Solution

The fourth proportional to 134,629.24, 185,780.77 and 74,199.70 is: 102,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,629.24 : 185,780.77 = 74,199.70 : x
  2. Step 2: Convert to fraction form
    134,629.24/185,780.77 = 74,199.70/x
  3. Step 3: Cross multiply
    134,629.24x = 185,780.77 × 74,199.70
  4. Step 4: Simplify right side
    134,629.24x = 13,784,876,749.82
  5. Step 5: Solve for x
    x = 13,784,876,749.82/134,629.24
  6. Step 6: Final answer
    x = 102,391.40

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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.