Home / 141,815.90-212,663.70-53,007.30

Finding the Fourth Proportional to 141,815.90, 212,663.70 and 53,007.30

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Solution

The fourth proportional to 141,815.90, 212,663.70 and 53,007.30 is: 79,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,815.90 : 212,663.70 = 53,007.30 : x
  2. Step 2: Convert to fraction form
    141,815.90/212,663.70 = 53,007.30/x
  3. Step 3: Cross multiply
    141,815.90x = 212,663.70 × 53,007.30
  4. Step 4: Simplify right side
    141,815.90x = 11,272,728,545.01
  5. Step 5: Solve for x
    x = 11,272,728,545.01/141,815.90
  6. Step 6: Final answer
    x = 79,488.47

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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.