Home / 161,457.12-242,065.02-111,394.38

Finding the Fourth Proportional to 161,457.12, 242,065.02 and 111,394.38

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Solution

The fourth proportional to 161,457.12, 242,065.02 and 111,394.38 is: 167,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,457.12 : 242,065.02 = 111,394.38 : x
  2. Step 2: Convert to fraction form
    161,457.12/242,065.02 = 111,394.38/x
  3. Step 3: Cross multiply
    161,457.12x = 242,065.02 × 111,394.38
  4. Step 4: Simplify right side
    161,457.12x = 26,964,682,822.59
  5. Step 5: Solve for x
    x = 26,964,682,822.59/161,457.12
  6. Step 6: Final answer
    x = 167,008.32

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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.