Home / 102,296.20-153,345.88-52,399.79

Finding the Fourth Proportional to 102,296.20, 153,345.88 and 52,399.79

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Solution

The fourth proportional to 102,296.20, 153,345.88 and 52,399.79 is: 78,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,296.20 : 153,345.88 = 52,399.79 : x
  2. Step 2: Convert to fraction form
    102,296.20/153,345.88 = 52,399.79/x
  3. Step 3: Cross multiply
    102,296.20x = 153,345.88 × 52,399.79
  4. Step 4: Simplify right side
    102,296.20x = 8,035,291,647.37
  5. Step 5: Solve for x
    x = 8,035,291,647.37/102,296.20
  6. Step 6: Final answer
    x = 78,549.27

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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.