Home / 143,260.60-214,595.58-83,916.36

Finding the Fourth Proportional to 143,260.60, 214,595.58 and 83,916.36

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Solution

The fourth proportional to 143,260.60, 214,595.58 and 83,916.36 is: 125,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,260.60 : 214,595.58 = 83,916.36 : x
  2. Step 2: Convert to fraction form
    143,260.60/214,595.58 = 83,916.36/x
  3. Step 3: Cross multiply
    143,260.60x = 214,595.58 × 83,916.36
  4. Step 4: Simplify right side
    143,260.60x = 18,008,078,872.71
  5. Step 5: Solve for x
    x = 18,008,078,872.71/143,260.60
  6. Step 6: Final answer
    x = 125,701.55

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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.