Home / 249,051.11-343,690.09-135,873.86

Finding the Fourth Proportional to 249,051.11, 343,690.09 and 135,873.86

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Solution

The fourth proportional to 249,051.11, 343,690.09 and 135,873.86 is: 187,505.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,051.11 : 343,690.09 = 135,873.86 : x
  2. Step 2: Convert to fraction form
    249,051.11/343,690.09 = 135,873.86/x
  3. Step 3: Cross multiply
    249,051.11x = 343,690.09 × 135,873.86
  4. Step 4: Simplify right side
    249,051.11x = 46,698,497,113.91
  5. Step 5: Solve for x
    x = 46,698,497,113.91/249,051.11
  6. Step 6: Final answer
    x = 187,505.68

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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.