Home / 139,527.24-192,539.07-75,864.48

Finding the Fourth Proportional to 139,527.24, 192,539.07 and 75,864.48

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Solution

The fourth proportional to 139,527.24, 192,539.07 and 75,864.48 is: 104,688.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,527.24 : 192,539.07 = 75,864.48 : x
  2. Step 2: Convert to fraction form
    139,527.24/192,539.07 = 75,864.48/x
  3. Step 3: Cross multiply
    139,527.24x = 192,539.07 × 75,864.48
  4. Step 4: Simplify right side
    139,527.24x = 14,606,876,425.23
  5. Step 5: Solve for x
    x = 14,606,876,425.23/139,527.24
  6. Step 6: Final answer
    x = 104,688.35

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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.