Home / 103,133.14-154,699.85-28,253.95

Finding the Fourth Proportional to 103,133.14, 154,699.85 and 28,253.95

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Solution

The fourth proportional to 103,133.14, 154,699.85 and 28,253.95 is: 42,380.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,133.14 : 154,699.85 = 28,253.95 : x
  2. Step 2: Convert to fraction form
    103,133.14/154,699.85 = 28,253.95/x
  3. Step 3: Cross multiply
    103,133.14x = 154,699.85 × 28,253.95
  4. Step 4: Simplify right side
    103,133.14x = 4,370,881,826.91
  5. Step 5: Solve for x
    x = 4,370,881,826.91/103,133.14
  6. Step 6: Final answer
    x = 42,380.96

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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.