Home / 161,983.23-242,973.81-55,315.73

Finding the Fourth Proportional to 161,983.23, 242,973.81 and 55,315.73

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Solution

The fourth proportional to 161,983.23, 242,973.81 and 55,315.73 is: 82,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,983.23 : 242,973.81 = 55,315.73 : x
  2. Step 2: Convert to fraction form
    161,983.23/242,973.81 = 55,315.73/x
  3. Step 3: Cross multiply
    161,983.23x = 242,973.81 × 55,315.73
  4. Step 4: Simplify right side
    161,983.23x = 13,440,272,456.16
  5. Step 5: Solve for x
    x = 13,440,272,456.16/161,983.23
  6. Step 6: Final answer
    x = 82,973.23

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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.