Home / 152,107.27-209,906.71-84,122.79

Finding the Fourth Proportional to 152,107.27, 209,906.71 and 84,122.79

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Solution

The fourth proportional to 152,107.27, 209,906.71 and 84,122.79 is: 116,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,107.27 : 209,906.71 = 84,122.79 : x
  2. Step 2: Convert to fraction form
    152,107.27/209,906.71 = 84,122.79/x
  3. Step 3: Cross multiply
    152,107.27x = 209,906.71 × 84,122.79
  4. Step 4: Simplify right side
    152,107.27x = 17,657,937,087.46
  5. Step 5: Solve for x
    x = 17,657,937,087.46/152,107.27
  6. Step 6: Final answer
    x = 116,088.71

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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.