Home / 139,228.83-192,135.98-75,566.63

Finding the Fourth Proportional to 139,228.83, 192,135.98 and 75,566.63

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Solution

The fourth proportional to 139,228.83, 192,135.98 and 75,566.63 is: 104,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,228.83 : 192,135.98 = 75,566.63 : x
  2. Step 2: Convert to fraction form
    139,228.83/192,135.98 = 75,566.63/x
  3. Step 3: Cross multiply
    139,228.83x = 192,135.98 × 75,566.63
  4. Step 4: Simplify right side
    139,228.83x = 14,519,068,612.85
  5. Step 5: Solve for x
    x = 14,519,068,612.85/139,228.83
  6. Step 6: Final answer
    x = 104,282.06

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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.