Home / 103,439.70-155,159.55-44,281.35

Finding the Fourth Proportional to 103,439.70, 155,159.55 and 44,281.35

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Solution

The fourth proportional to 103,439.70, 155,159.55 and 44,281.35 is: 66,422.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,439.70 : 155,159.55 = 44,281.35 : x
  2. Step 2: Convert to fraction form
    103,439.70/155,159.55 = 44,281.35/x
  3. Step 3: Cross multiply
    103,439.70x = 155,159.55 × 44,281.35
  4. Step 4: Simplify right side
    103,439.70x = 6,870,674,339.39
  5. Step 5: Solve for x
    x = 6,870,674,339.39/103,439.70
  6. Step 6: Final answer
    x = 66,422.03

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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.