Home / 152,428.36-210,358.68-91,998.04

Finding the Fourth Proportional to 152,428.36, 210,358.68 and 91,998.04

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Solution

The fourth proportional to 152,428.36, 210,358.68 and 91,998.04 is: 126,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,428.36 : 210,358.68 = 91,998.04 : x
  2. Step 2: Convert to fraction form
    152,428.36/210,358.68 = 91,998.04/x
  3. Step 3: Cross multiply
    152,428.36x = 210,358.68 × 91,998.04
  4. Step 4: Simplify right side
    152,428.36x = 19,352,586,256.99
  5. Step 5: Solve for x
    x = 19,352,586,256.99/152,428.36
  6. Step 6: Final answer
    x = 126,961.85

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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.