Home / 249,089.60-343,741.92-135,909.92

Finding the Fourth Proportional to 249,089.60, 343,741.92 and 135,909.92

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Solution

The fourth proportional to 249,089.60, 343,741.92 and 135,909.92 is: 187,554.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,089.60 : 343,741.92 = 135,909.92 : x
  2. Step 2: Convert to fraction form
    249,089.60/343,741.92 = 135,909.92/x
  3. Step 3: Cross multiply
    249,089.60x = 343,741.92 × 135,909.92
  4. Step 4: Simplify right side
    249,089.60x = 46,717,936,847.85
  5. Step 5: Solve for x
    x = 46,717,936,847.85/249,089.60
  6. Step 6: Final answer
    x = 187,554.75

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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.