Home / 144,786.36-216,805.68-99,946.08

Finding the Fourth Proportional to 144,786.36, 216,805.68 and 99,946.08

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Solution

The fourth proportional to 144,786.36, 216,805.68 and 99,946.08 is: 149,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,786.36 : 216,805.68 = 99,946.08 : x
  2. Step 2: Convert to fraction form
    144,786.36/216,805.68 = 99,946.08/x
  3. Step 3: Cross multiply
    144,786.36x = 216,805.68 × 99,946.08
  4. Step 4: Simplify right side
    144,786.36x = 21,668,877,837.73
  5. Step 5: Solve for x
    x = 21,668,877,837.73/144,786.36
  6. Step 6: Final answer
    x = 149,661.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.