Home / 143,590.59-215,429.81-73,519.47

Finding the Fourth Proportional to 143,590.59, 215,429.81 and 73,519.47

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Solution

The fourth proportional to 143,590.59, 215,429.81 and 73,519.47 is: 110,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,590.59 : 215,429.81 = 73,519.47 : x
  2. Step 2: Convert to fraction form
    143,590.59/215,429.81 = 73,519.47/x
  3. Step 3: Cross multiply
    143,590.59x = 215,429.81 × 73,519.47
  4. Step 4: Simplify right side
    143,590.59x = 15,838,285,085.80
  5. Step 5: Solve for x
    x = 15,838,285,085.80/143,590.59
  6. Step 6: Final answer
    x = 110,301.69

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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.