Home / 143,535.60-214,776.81-119,784.51

Finding the Fourth Proportional to 143,535.60, 214,776.81 and 119,784.51

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Solution

The fourth proportional to 143,535.60, 214,776.81 and 119,784.51 is: 179,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,535.60 : 214,776.81 = 119,784.51 : x
  2. Step 2: Convert to fraction form
    143,535.60/214,776.81 = 119,784.51/x
  3. Step 3: Cross multiply
    143,535.60x = 214,776.81 × 119,784.51
  4. Step 4: Simplify right side
    143,535.60x = 25,726,934,945.21
  5. Step 5: Solve for x
    x = 25,726,934,945.21/143,535.60
  6. Step 6: Final answer
    x = 179,237.31

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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.