Home / 102,078.77-153,149.23-52,193.87

Finding the Fourth Proportional to 102,078.77, 153,149.23 and 52,193.87

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Solution

The fourth proportional to 102,078.77, 153,149.23 and 52,193.87 is: 78,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,078.77 : 153,149.23 = 52,193.87 : x
  2. Step 2: Convert to fraction form
    102,078.77/153,149.23 = 52,193.87/x
  3. Step 3: Cross multiply
    102,078.77x = 153,149.23 × 52,193.87
  4. Step 4: Simplify right side
    102,078.77x = 7,993,450,875.03
  5. Step 5: Solve for x
    x = 7,993,450,875.03/102,078.77
  6. Step 6: Final answer
    x = 78,306.70

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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.