Home / 174,579.16-261,885.66-69,374.56

Finding the Fourth Proportional to 174,579.16, 261,885.66 and 69,374.56

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Solution

The fourth proportional to 174,579.16, 261,885.66 and 69,374.56 is: 104,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,579.16 : 261,885.66 = 69,374.56 : x
  2. Step 2: Convert to fraction form
    174,579.16/261,885.66 = 69,374.56/x
  3. Step 3: Cross multiply
    174,579.16x = 261,885.66 × 69,374.56
  4. Step 4: Simplify right side
    174,579.16x = 18,168,202,432.81
  5. Step 5: Solve for x
    x = 18,168,202,432.81/174,579.16
  6. Step 6: Final answer
    x = 104,068.56

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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.