Home / 172,619.08-238,349.46-135,000.52

Finding the Fourth Proportional to 172,619.08, 238,349.46 and 135,000.52

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Solution

The fourth proportional to 172,619.08, 238,349.46 and 135,000.52 is: 186,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,619.08 : 238,349.46 = 135,000.52 : x
  2. Step 2: Convert to fraction form
    172,619.08/238,349.46 = 135,000.52/x
  3. Step 3: Cross multiply
    172,619.08x = 238,349.46 × 135,000.52
  4. Step 4: Simplify right side
    172,619.08x = 32,177,301,041.72
  5. Step 5: Solve for x
    x = 32,177,301,041.72/172,619.08
  6. Step 6: Final answer
    x = 186,406.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.