Home / 144,051.80-215,567.40-125,535.20

Finding the Fourth Proportional to 144,051.80, 215,567.40 and 125,535.20

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Solution

The fourth proportional to 144,051.80, 215,567.40 and 125,535.20 is: 187,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,051.80 : 215,567.40 = 125,535.20 : x
  2. Step 2: Convert to fraction form
    144,051.80/215,567.40 = 125,535.20/x
  3. Step 3: Cross multiply
    144,051.80x = 215,567.40 × 125,535.20
  4. Step 4: Simplify right side
    144,051.80x = 27,061,296,672.48
  5. Step 5: Solve for x
    x = 27,061,296,672.48/144,051.80
  6. Step 6: Final answer
    x = 187,858.09

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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.