Home / 103,339.22-155,009.67-28,463.50

Finding the Fourth Proportional to 103,339.22, 155,009.67 and 28,463.50

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Solution

The fourth proportional to 103,339.22, 155,009.67 and 28,463.50 is: 42,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,339.22 : 155,009.67 = 28,463.50 : x
  2. Step 2: Convert to fraction form
    103,339.22/155,009.67 = 28,463.50/x
  3. Step 3: Cross multiply
    103,339.22x = 155,009.67 × 28,463.50
  4. Step 4: Simplify right side
    103,339.22x = 4,412,116,824.68
  5. Step 5: Solve for x
    x = 4,412,116,824.68/103,339.22
  6. Step 6: Final answer
    x = 42,695.47

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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.