Home / 119,929.44-179,984.16-45,123.36

Finding the Fourth Proportional to 119,929.44, 179,984.16 and 45,123.36

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Solution

The fourth proportional to 119,929.44, 179,984.16 and 45,123.36 is: 67,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,929.44 : 179,984.16 = 45,123.36 : x
  2. Step 2: Convert to fraction form
    119,929.44/179,984.16 = 45,123.36/x
  3. Step 3: Cross multiply
    119,929.44x = 179,984.16 × 45,123.36
  4. Step 4: Simplify right side
    119,929.44x = 8,121,490,045.98
  5. Step 5: Solve for x
    x = 8,121,490,045.98/119,929.44
  6. Step 6: Final answer
    x = 67,718.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.