Home / 148,979.80-223,361.70-60,189.40

Finding the Fourth Proportional to 148,979.80, 223,361.70 and 60,189.40

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Solution

The fourth proportional to 148,979.80, 223,361.70 and 60,189.40 is: 90,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,979.80 : 223,361.70 = 60,189.40 : x
  2. Step 2: Convert to fraction form
    148,979.80/223,361.70 = 60,189.40/x
  3. Step 3: Cross multiply
    148,979.80x = 223,361.70 × 60,189.40
  4. Step 4: Simplify right side
    148,979.80x = 13,444,006,705.98
  5. Step 5: Solve for x
    x = 13,444,006,705.98/148,979.80
  6. Step 6: Final answer
    x = 90,240.47

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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.