Home / 160,315.24-221,239.14-96,657.12

Finding the Fourth Proportional to 160,315.24, 221,239.14 and 96,657.12

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Solution

The fourth proportional to 160,315.24, 221,239.14 and 96,657.12 is: 133,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,315.24 : 221,239.14 = 96,657.12 : x
  2. Step 2: Convert to fraction form
    160,315.24/221,239.14 = 96,657.12/x
  3. Step 3: Cross multiply
    160,315.24x = 221,239.14 × 96,657.12
  4. Step 4: Simplify right side
    160,315.24x = 21,384,338,103.68
  5. Step 5: Solve for x
    x = 21,384,338,103.68/160,315.24
  6. Step 6: Final answer
    x = 133,389.30

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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.