Home / 215,111.98-296,861.70-118,319.92

Finding the Fourth Proportional to 215,111.98, 296,861.70 and 118,319.92

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Solution

The fourth proportional to 215,111.98, 296,861.70 and 118,319.92 is: 163,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,111.98 : 296,861.70 = 118,319.92 : x
  2. Step 2: Convert to fraction form
    215,111.98/296,861.70 = 118,319.92/x
  3. Step 3: Cross multiply
    215,111.98x = 296,861.70 × 118,319.92
  4. Step 4: Simplify right side
    215,111.98x = 35,124,652,595.06
  5. Step 5: Solve for x
    x = 35,124,652,595.06/215,111.98
  6. Step 6: Final answer
    x = 163,285.43

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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.