Home / 119,123.69-179,541.78-102,682.16

Finding the Fourth Proportional to 119,123.69, 179,541.78 and 102,682.16

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Solution

The fourth proportional to 119,123.69, 179,541.78 and 102,682.16 is: 154,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,123.69 : 179,541.78 = 102,682.16 : x
  2. Step 2: Convert to fraction form
    119,123.69/179,541.78 = 102,682.16/x
  3. Step 3: Cross multiply
    119,123.69x = 179,541.78 × 102,682.16
  4. Step 4: Simplify right side
    119,123.69x = 18,435,737,780.64
  5. Step 5: Solve for x
    x = 18,435,737,780.64/119,123.69
  6. Step 6: Final answer
    x = 154,761.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.