Home / 103,050.65-154,585.20-28,171.19

Finding the Fourth Proportional to 103,050.65, 154,585.20 and 28,171.19

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Solution

The fourth proportional to 103,050.65, 154,585.20 and 28,171.19 is: 42,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,050.65 : 154,585.20 = 28,171.19 : x
  2. Step 2: Convert to fraction form
    103,050.65/154,585.20 = 28,171.19/x
  3. Step 3: Cross multiply
    103,050.65x = 154,585.20 × 28,171.19
  4. Step 4: Simplify right side
    103,050.65x = 4,354,848,267.46
  5. Step 5: Solve for x
    x = 4,354,848,267.46/103,050.65
  6. Step 6: Final answer
    x = 42,259.30

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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.