Home / 152,157.80-209,983.94-84,173.60

Finding the Fourth Proportional to 152,157.80, 209,983.94 and 84,173.60

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Solution

The fourth proportional to 152,157.80, 209,983.94 and 84,173.60 is: 116,162.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,157.80 : 209,983.94 = 84,173.60 : x
  2. Step 2: Convert to fraction form
    152,157.80/209,983.94 = 84,173.60/x
  3. Step 3: Cross multiply
    152,157.80x = 209,983.94 × 84,173.60
  4. Step 4: Simplify right side
    152,157.80x = 17,675,104,171.98
  5. Step 5: Solve for x
    x = 17,675,104,171.98/152,157.80
  6. Step 6: Final answer
    x = 116,162.98

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1.5x scale

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.