Home / 102,270.52-153,311.05-52,240.27

Finding the Fourth Proportional to 102,270.52, 153,311.05 and 52,240.27

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Solution

The fourth proportional to 102,270.52, 153,311.05 and 52,240.27 is: 78,312.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,270.52 : 153,311.05 = 52,240.27 : x
  2. Step 2: Convert to fraction form
    102,270.52/153,311.05 = 52,240.27/x
  3. Step 3: Cross multiply
    102,270.52x = 153,311.05 × 52,240.27
  4. Step 4: Simplify right side
    102,270.52x = 8,009,009,879.43
  5. Step 5: Solve for x
    x = 8,009,009,879.43/102,270.52
  6. Step 6: Final answer
    x = 78,312.01

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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.