Home / 103,164.04-142,391.70-62,900

Finding the Fourth Proportional to 103,164.04, 142,391.70 and 62,900

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Solution

The fourth proportional to 103,164.04, 142,391.70 and 62,900 is: 86,817.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,164.04 : 142,391.70 = 62,900 : x
  2. Step 2: Convert to fraction form
    103,164.04/142,391.70 = 62,900/x
  3. Step 3: Cross multiply
    103,164.04x = 142,391.70 × 62,900
  4. Step 4: Simplify right side
    103,164.04x = 8,956,437,930
  5. Step 5: Solve for x
    x = 8,956,437,930/103,164.04
  6. Step 6: Final answer
    x = 86,817.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.