Home / 243,120.29-364,776.11-123,111.39

Finding the Fourth Proportional to 243,120.29, 364,776.11 and 123,111.39

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Solution

The fourth proportional to 243,120.29, 364,776.11 and 123,111.39 is: 184,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,120.29 : 364,776.11 = 123,111.39 : x
  2. Step 2: Convert to fraction form
    243,120.29/364,776.11 = 123,111.39/x
  3. Step 3: Cross multiply
    243,120.29x = 364,776.11 × 123,111.39
  4. Step 4: Simplify right side
    243,120.29x = 44,908,095,154.91
  5. Step 5: Solve for x
    x = 44,908,095,154.91/243,120.29
  6. Step 6: Final answer
    x = 184,715.54

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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.