Home / 102,950.73-154,337.23-39,815.08

Finding the Fourth Proportional to 102,950.73, 154,337.23 and 39,815.08

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Solution

The fourth proportional to 102,950.73, 154,337.23 and 39,815.08 is: 59,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,950.73 : 154,337.23 = 39,815.08 : x
  2. Step 2: Convert to fraction form
    102,950.73/154,337.23 = 39,815.08/x
  3. Step 3: Cross multiply
    102,950.73x = 154,337.23 × 39,815.08
  4. Step 4: Simplify right side
    102,950.73x = 6,144,949,159.43
  5. Step 5: Solve for x
    x = 6,144,949,159.43/102,950.73
  6. Step 6: Final answer
    x = 59,688.25

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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.