Home / 145,556.52-218,388.18-61,337.88

Finding the Fourth Proportional to 145,556.52, 218,388.18 and 61,337.88

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Solution

The fourth proportional to 145,556.52, 218,388.18 and 61,337.88 is: 92,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,556.52 : 218,388.18 = 61,337.88 : x
  2. Step 2: Convert to fraction form
    145,556.52/218,388.18 = 61,337.88/x
  3. Step 3: Cross multiply
    145,556.52x = 218,388.18 × 61,337.88
  4. Step 4: Simplify right side
    145,556.52x = 13,395,467,978.26
  5. Step 5: Solve for x
    x = 13,395,467,978.26/145,556.52
  6. Step 6: Final answer
    x = 92,029.32

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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.