Home / 214,639.86-296,188.18-119,139.03

Finding the Fourth Proportional to 214,639.86, 296,188.18 and 119,139.03

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Solution

The fourth proportional to 214,639.86, 296,188.18 and 119,139.03 is: 164,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,639.86 : 296,188.18 = 119,139.03 : x
  2. Step 2: Convert to fraction form
    214,639.86/296,188.18 = 119,139.03/x
  3. Step 3: Cross multiply
    214,639.86x = 296,188.18 × 119,139.03
  4. Step 4: Simplify right side
    214,639.86x = 35,287,572,462.67
  5. Step 5: Solve for x
    x = 35,287,572,462.67/214,639.86
  6. Step 6: Final answer
    x = 164,403.64

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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.