Home / 215,189.73-296,950.05-118,391.76

Finding the Fourth Proportional to 215,189.73, 296,950.05 and 118,391.76

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Solution

The fourth proportional to 215,189.73, 296,950.05 and 118,391.76 is: 163,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,189.73 : 296,950.05 = 118,391.76 : x
  2. Step 2: Convert to fraction form
    215,189.73/296,950.05 = 118,391.76/x
  3. Step 3: Cross multiply
    215,189.73x = 296,950.05 × 118,391.76
  4. Step 4: Simplify right side
    215,189.73x = 35,156,439,051.59
  5. Step 5: Solve for x
    x = 35,156,439,051.59/215,189.73
  6. Step 6: Final answer
    x = 163,374.15

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1.5x scale

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.