Home / 102,219.86-141,065.01-56,898.34

Finding the Fourth Proportional to 102,219.86, 141,065.01 and 56,898.34

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Solution

The fourth proportional to 102,219.86, 141,065.01 and 56,898.34 is: 78,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,219.86 : 141,065.01 = 56,898.34 : x
  2. Step 2: Convert to fraction form
    102,219.86/141,065.01 = 56,898.34/x
  3. Step 3: Cross multiply
    102,219.86x = 141,065.01 × 56,898.34
  4. Step 4: Simplify right side
    102,219.86x = 8,026,363,911.27
  5. Step 5: Solve for x
    x = 8,026,363,911.27/102,219.86
  6. Step 6: Final answer
    x = 78,520.59

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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.