Home / 148,684.84-224,141.42-138,786.55

Finding the Fourth Proportional to 148,684.84, 224,141.42 and 138,786.55

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Solution

The fourth proportional to 148,684.84, 224,141.42 and 138,786.55 is: 209,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,684.84 : 224,141.42 = 138,786.55 : x
  2. Step 2: Convert to fraction form
    148,684.84/224,141.42 = 138,786.55/x
  3. Step 3: Cross multiply
    148,684.84x = 224,141.42 × 138,786.55
  4. Step 4: Simplify right side
    148,684.84x = 31,107,814,180.51
  5. Step 5: Solve for x
    x = 31,107,814,180.51/148,684.84
  6. Step 6: Final answer
    x = 209,219.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.