Home / 152,042.91-209,815.93-84,062.75

Finding the Fourth Proportional to 152,042.91, 209,815.93 and 84,062.75

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Solution

The fourth proportional to 152,042.91, 209,815.93 and 84,062.75 is: 116,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,042.91 : 209,815.93 = 84,062.75 : x
  2. Step 2: Convert to fraction form
    152,042.91/209,815.93 = 84,062.75/x
  3. Step 3: Cross multiply
    152,042.91x = 209,815.93 × 84,062.75
  4. Step 4: Simplify right side
    152,042.91x = 17,637,704,069.61
  5. Step 5: Solve for x
    x = 17,637,704,069.61/152,042.91
  6. Step 6: Final answer
    x = 116,004.78

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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.