Home / 210,930.86-291,084.36-119,044.06

Finding the Fourth Proportional to 210,930.86, 291,084.36 and 119,044.06

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Solution

The fourth proportional to 210,930.86, 291,084.36 and 119,044.06 is: 164,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,930.86 : 291,084.36 = 119,044.06 : x
  2. Step 2: Convert to fraction form
    210,930.86/291,084.36 = 119,044.06/x
  3. Step 3: Cross multiply
    210,930.86x = 291,084.36 × 119,044.06
  4. Step 4: Simplify right side
    210,930.86x = 34,651,864,016.90
  5. Step 5: Solve for x
    x = 34,651,864,016.90/210,930.86
  6. Step 6: Final answer
    x = 164,280.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.