Home / 103,531.20-155,329.56-36,969.84

Finding the Fourth Proportional to 103,531.20, 155,329.56 and 36,969.84

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Solution

The fourth proportional to 103,531.20, 155,329.56 and 36,969.84 is: 55,466.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,531.20 : 155,329.56 = 36,969.84 : x
  2. Step 2: Convert to fraction form
    103,531.20/155,329.56 = 36,969.84/x
  3. Step 3: Cross multiply
    103,531.20x = 155,329.56 × 36,969.84
  4. Step 4: Simplify right side
    103,531.20x = 5,742,508,980.47
  5. Step 5: Solve for x
    x = 5,742,508,980.47/103,531.20
  6. Step 6: Final answer
    x = 55,466.46

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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.