Home / 134,534.32-185,650.50-74,103.66

Finding the Fourth Proportional to 134,534.32, 185,650.50 and 74,103.66

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Solution

The fourth proportional to 134,534.32, 185,650.50 and 74,103.66 is: 102,259.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,534.32 : 185,650.50 = 74,103.66 : x
  2. Step 2: Convert to fraction form
    134,534.32/185,650.50 = 74,103.66/x
  3. Step 3: Cross multiply
    134,534.32x = 185,650.50 × 74,103.66
  4. Step 4: Simplify right side
    134,534.32x = 13,757,381,530.83
  5. Step 5: Solve for x
    x = 13,757,381,530.83/134,534.32
  6. Step 6: Final answer
    x = 102,259.27

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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.