Home / 152,021.18-209,789.51-84,953.18

Finding the Fourth Proportional to 152,021.18, 209,789.51 and 84,953.18

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Solution

The fourth proportional to 152,021.18, 209,789.51 and 84,953.18 is: 117,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,021.18 : 209,789.51 = 84,953.18 : x
  2. Step 2: Convert to fraction form
    152,021.18/209,789.51 = 84,953.18/x
  3. Step 3: Cross multiply
    152,021.18x = 209,789.51 × 84,953.18
  4. Step 4: Simplify right side
    152,021.18x = 17,822,286,005.14
  5. Step 5: Solve for x
    x = 17,822,286,005.14/152,021.18
  6. Step 6: Final answer
    x = 117,235.55

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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.