Home / 229,176.24-343,782.72-87,089.64

Finding the Fourth Proportional to 229,176.24, 343,782.72 and 87,089.64

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Solution

The fourth proportional to 229,176.24, 343,782.72 and 87,089.64 is: 130,641.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,176.24 : 343,782.72 = 87,089.64 : x
  2. Step 2: Convert to fraction form
    229,176.24/343,782.72 = 87,089.64/x
  3. Step 3: Cross multiply
    229,176.24x = 343,782.72 × 87,089.64
  4. Step 4: Simplify right side
    229,176.24x = 29,939,913,323.02
  5. Step 5: Solve for x
    x = 29,939,913,323.02/229,176.24
  6. Step 6: Final answer
    x = 130,641.44

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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.