Home / 161,699.31-242,548.98-61,890.12

Finding the Fourth Proportional to 161,699.31, 242,548.98 and 61,890.12

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Solution

The fourth proportional to 161,699.31, 242,548.98 and 61,890.12 is: 92,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,699.31 : 242,548.98 = 61,890.12 : x
  2. Step 2: Convert to fraction form
    161,699.31/242,548.98 = 61,890.12/x
  3. Step 3: Cross multiply
    161,699.31x = 242,548.98 × 61,890.12
  4. Step 4: Simplify right side
    161,699.31x = 15,011,385,478.08
  5. Step 5: Solve for x
    x = 15,011,385,478.08/161,699.31
  6. Step 6: Final answer
    x = 92,835.19

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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.