Home / 139,527.10-192,542.09-75,864.95

Finding the Fourth Proportional to 139,527.10, 192,542.09 and 75,864.95

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Solution

The fourth proportional to 139,527.10, 192,542.09 and 75,864.95 is: 104,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,527.10 : 192,542.09 = 75,864.95 : x
  2. Step 2: Convert to fraction form
    139,527.10/192,542.09 = 75,864.95/x
  3. Step 3: Cross multiply
    139,527.10x = 192,542.09 × 75,864.95
  4. Step 4: Simplify right side
    139,527.10x = 14,607,196,030.75
  5. Step 5: Solve for x
    x = 14,607,196,030.75/139,527.10
  6. Step 6: Final answer
    x = 104,690.74

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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.