Home / 152,157.49-209,371.94-147,535.02

Finding the Fourth Proportional to 152,157.49, 209,371.94 and 147,535.02

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Solution

The fourth proportional to 152,157.49, 209,371.94 and 147,535.02 is: 203,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,157.49 : 209,371.94 = 147,535.02 : x
  2. Step 2: Convert to fraction form
    152,157.49/209,371.94 = 147,535.02/x
  3. Step 3: Cross multiply
    152,157.49x = 209,371.94 × 147,535.02
  4. Step 4: Simplify right side
    152,157.49x = 30,889,693,170.92
  5. Step 5: Solve for x
    x = 30,889,693,170.92/152,157.49
  6. Step 6: Final answer
    x = 203,011.33

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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.