Home / 249,106.12-343,763.22-135,926.92

Finding the Fourth Proportional to 249,106.12, 343,763.22 and 135,926.92

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Solution

The fourth proportional to 249,106.12, 343,763.22 and 135,926.92 is: 187,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,106.12 : 343,763.22 = 135,926.92 : x
  2. Step 2: Convert to fraction form
    249,106.12/343,763.22 = 135,926.92/x
  3. Step 3: Cross multiply
    249,106.12x = 343,763.22 × 135,926.92
  4. Step 4: Simplify right side
    249,106.12x = 46,726,675,703.88
  5. Step 5: Solve for x
    x = 46,726,675,703.88/249,106.12
  6. Step 6: Final answer
    x = 187,577.39

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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.