Home / 152,110.36-209,913.69-84,123.82

Finding the Fourth Proportional to 152,110.36, 209,913.69 and 84,123.82

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Solution

The fourth proportional to 152,110.36, 209,913.69 and 84,123.82 is: 116,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,110.36 : 209,913.69 = 84,123.82 : x
  2. Step 2: Convert to fraction form
    152,110.36/209,913.69 = 84,123.82/x
  3. Step 3: Cross multiply
    152,110.36x = 209,913.69 × 84,123.82
  4. Step 4: Simplify right side
    152,110.36x = 17,658,741,473.10
  5. Step 5: Solve for x
    x = 17,658,741,473.10/152,110.36
  6. Step 6: Final answer
    x = 116,091.64

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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.