Home / 216,829.56-299,215.06-120,037.04

Finding the Fourth Proportional to 216,829.56, 299,215.06 and 120,037.04

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Solution

The fourth proportional to 216,829.56, 299,215.06 and 120,037.04 is: 165,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,829.56 : 299,215.06 = 120,037.04 : x
  2. Step 2: Convert to fraction form
    216,829.56/299,215.06 = 120,037.04/x
  3. Step 3: Cross multiply
    216,829.56x = 299,215.06 × 120,037.04
  4. Step 4: Simplify right side
    216,829.56x = 35,916,890,126.92
  5. Step 5: Solve for x
    x = 35,916,890,126.92/216,829.56
  6. Step 6: Final answer
    x = 165,645.73

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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.