Home / 139,264.80-192,185.66-75,602.56

Finding the Fourth Proportional to 139,264.80, 192,185.66 and 75,602.56

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Solution

The fourth proportional to 139,264.80, 192,185.66 and 75,602.56 is: 104,331.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,264.80 : 192,185.66 = 75,602.56 : x
  2. Step 2: Convert to fraction form
    139,264.80/192,185.66 = 75,602.56/x
  3. Step 3: Cross multiply
    139,264.80x = 192,185.66 × 75,602.56
  4. Step 4: Simplify right side
    139,264.80x = 14,529,727,891.29
  5. Step 5: Solve for x
    x = 14,529,727,891.29/139,264.80
  6. Step 6: Final answer
    x = 104,331.66

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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.