Home / 495,078.60-742,646.38-140,062.88

Finding the Fourth Proportional to 495,078.60, 742,646.38 and 140,062.88

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Solution

The fourth proportional to 495,078.60, 742,646.38 and 140,062.88 is: 210,102.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,078.60 : 742,646.38 = 140,062.88 : x
  2. Step 2: Convert to fraction form
    495,078.60/742,646.38 = 140,062.88/x
  3. Step 3: Cross multiply
    495,078.60x = 742,646.38 × 140,062.88
  4. Step 4: Simplify right side
    495,078.60x = 104,017,190,804.37
  5. Step 5: Solve for x
    x = 104,017,190,804.37/495,078.60
  6. Step 6: Final answer
    x = 210,102.38

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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.