Home / 102,495.96-141,444.65-57,172.77

Finding the Fourth Proportional to 102,495.96, 141,444.65 and 57,172.77

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Solution

The fourth proportional to 102,495.96, 141,444.65 and 57,172.77 is: 78,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,495.96 : 141,444.65 = 57,172.77 : x
  2. Step 2: Convert to fraction form
    102,495.96/141,444.65 = 57,172.77/x
  3. Step 3: Cross multiply
    102,495.96x = 141,444.65 × 57,172.77
  4. Step 4: Simplify right side
    102,495.96x = 8,086,782,156.32
  5. Step 5: Solve for x
    x = 8,086,782,156.32/102,495.96
  6. Step 6: Final answer
    x = 78,898.55

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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.