Home / 161,567.13-242,383.50-68,072.88

Finding the Fourth Proportional to 161,567.13, 242,383.50 and 68,072.88

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Solution

The fourth proportional to 161,567.13, 242,383.50 and 68,072.88 is: 102,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,567.13 : 242,383.50 = 68,072.88 : x
  2. Step 2: Convert to fraction form
    161,567.13/242,383.50 = 68,072.88/x
  3. Step 3: Cross multiply
    161,567.13x = 242,383.50 × 68,072.88
  4. Step 4: Simplify right side
    161,567.13x = 16,499,742,909.48
  5. Step 5: Solve for x
    x = 16,499,742,909.48/161,567.13
  6. Step 6: Final answer
    x = 102,123.14

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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.