Home / 119,623.40-179,823.90-102,516.20

Finding the Fourth Proportional to 119,623.40, 179,823.90 and 102,516.20

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Solution

The fourth proportional to 119,623.40, 179,823.90 and 102,516.20 is: 154,107.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,623.40 : 179,823.90 = 102,516.20 : x
  2. Step 2: Convert to fraction form
    119,623.40/179,823.90 = 102,516.20/x
  3. Step 3: Cross multiply
    119,623.40x = 179,823.90 × 102,516.20
  4. Step 4: Simplify right side
    119,623.40x = 18,434,862,897.18
  5. Step 5: Solve for x
    x = 18,434,862,897.18/119,623.40
  6. Step 6: Final answer
    x = 154,107.50

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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.