Home / 102,897.83-142,021.06-62,624.56

Finding the Fourth Proportional to 102,897.83, 142,021.06 and 62,624.56

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Solution

The fourth proportional to 102,897.83, 142,021.06 and 62,624.56 is: 86,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,897.83 : 142,021.06 = 62,624.56 : x
  2. Step 2: Convert to fraction form
    102,897.83/142,021.06 = 62,624.56/x
  3. Step 3: Cross multiply
    102,897.83x = 142,021.06 × 62,624.56
  4. Step 4: Simplify right side
    102,897.83x = 8,894,005,881.62
  5. Step 5: Solve for x
    x = 8,894,005,881.62/102,897.83
  6. Step 6: Final answer
    x = 86,435.31

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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.