Home / 149,729.80-224,594.70-138,904.15

Finding the Fourth Proportional to 149,729.80, 224,594.70 and 138,904.15

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Solution

The fourth proportional to 149,729.80, 224,594.70 and 138,904.15 is: 208,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,729.80 : 224,594.70 = 138,904.15 : x
  2. Step 2: Convert to fraction form
    149,729.80/224,594.70 = 138,904.15/x
  3. Step 3: Cross multiply
    149,729.80x = 224,594.70 × 138,904.15
  4. Step 4: Simplify right side
    149,729.80x = 31,197,135,898.01
  5. Step 5: Solve for x
    x = 31,197,135,898.01/149,729.80
  6. Step 6: Final answer
    x = 208,356.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.