Home / 152,156.39-209,982.00-84,172.19

Finding the Fourth Proportional to 152,156.39, 209,982.00 and 84,172.19

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Solution

The fourth proportional to 152,156.39, 209,982.00 and 84,172.19 is: 116,161.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,156.39 : 209,982.00 = 84,172.19 : x
  2. Step 2: Convert to fraction form
    152,156.39/209,982.00 = 84,172.19/x
  3. Step 3: Cross multiply
    152,156.39x = 209,982.00 × 84,172.19
  4. Step 4: Simplify right side
    152,156.39x = 17,674,645,535.97
  5. Step 5: Solve for x
    x = 17,674,645,535.97/152,156.39
  6. Step 6: Final answer
    x = 116,161.04

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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.