Home / 242,594.10-334,739.97-135,139.86

Finding the Fourth Proportional to 242,594.10, 334,739.97 and 135,139.86

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Solution

The fourth proportional to 242,594.10, 334,739.97 and 135,139.86 is: 186,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,594.10 : 334,739.97 = 135,139.86 : x
  2. Step 2: Convert to fraction form
    242,594.10/334,739.97 = 135,139.86/x
  3. Step 3: Cross multiply
    242,594.10x = 334,739.97 × 135,139.86
  4. Step 4: Simplify right side
    242,594.10x = 45,236,712,682.20
  5. Step 5: Solve for x
    x = 45,236,712,682.20/242,594.10
  6. Step 6: Final answer
    x = 186,470.79

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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.