Home / 495,194.10-742,708.44-140,120.16

Finding the Fourth Proportional to 495,194.10, 742,708.44 and 140,120.16

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Solution

The fourth proportional to 495,194.10, 742,708.44 and 140,120.16 is: 210,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,194.10 : 742,708.44 = 140,120.16 : x
  2. Step 2: Convert to fraction form
    495,194.10/742,708.44 = 140,120.16/x
  3. Step 3: Cross multiply
    495,194.10x = 742,708.44 × 140,120.16
  4. Step 4: Simplify right side
    495,194.10x = 104,068,425,446.15
  5. Step 5: Solve for x
    x = 104,068,425,446.15/495,194.10
  6. Step 6: Final answer
    x = 210,156.84

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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.