Home / 134,630.32-185,782.27-74,200.78

Finding the Fourth Proportional to 134,630.32, 185,782.27 and 74,200.78

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Solution

The fourth proportional to 134,630.32, 185,782.27 and 74,200.78 is: 102,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,630.32 : 185,782.27 = 74,200.78 : x
  2. Step 2: Convert to fraction form
    134,630.32/185,782.27 = 74,200.78/x
  3. Step 3: Cross multiply
    134,630.32x = 185,782.27 × 74,200.78
  4. Step 4: Simplify right side
    134,630.32x = 13,785,189,344.17
  5. Step 5: Solve for x
    x = 13,785,189,344.17/134,630.32
  6. Step 6: Final answer
    x = 102,392.90

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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.