Home / 106,105.84-146,426.80-57,707.76

Finding the Fourth Proportional to 106,105.84, 146,426.80 and 57,707.76

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Solution

The fourth proportional to 106,105.84, 146,426.80 and 57,707.76 is: 79,637.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,105.84 : 146,426.80 = 57,707.76 : x
  2. Step 2: Convert to fraction form
    106,105.84/146,426.80 = 57,707.76/x
  3. Step 3: Cross multiply
    106,105.84x = 146,426.80 × 57,707.76
  4. Step 4: Simplify right side
    106,105.84x = 8,449,962,631.97
  5. Step 5: Solve for x
    x = 8,449,962,631.97/106,105.84
  6. Step 6: Final answer
    x = 79,637.11

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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.