Home / 242,520.08-334,668.92-135,087.90

Finding the Fourth Proportional to 242,520.08, 334,668.92 and 135,087.90

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Solution

The fourth proportional to 242,520.08, 334,668.92 and 135,087.90 is: 186,416.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,520.08 : 334,668.92 = 135,087.90 : x
  2. Step 2: Convert to fraction form
    242,520.08/334,668.92 = 135,087.90/x
  3. Step 3: Cross multiply
    242,520.08x = 334,668.92 × 135,087.90
  4. Step 4: Simplify right side
    242,520.08x = 45,209,721,598.07
  5. Step 5: Solve for x
    x = 45,209,721,598.07/242,520.08
  6. Step 6: Final answer
    x = 186,416.41

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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.