Home / 148,685.58-224,142.57-138,787.29

Finding the Fourth Proportional to 148,685.58, 224,142.57 and 138,787.29

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Solution

The fourth proportional to 148,685.58, 224,142.57 and 138,787.29 is: 209,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,685.58 : 224,142.57 = 138,787.29 : x
  2. Step 2: Convert to fraction form
    148,685.58/224,142.57 = 138,787.29/x
  3. Step 3: Cross multiply
    148,685.58x = 224,142.57 × 138,787.29
  4. Step 4: Simplify right side
    148,685.58x = 31,108,139,863.94
  5. Step 5: Solve for x
    x = 31,108,139,863.94/148,685.58
  6. Step 6: Final answer
    x = 209,220.96

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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.