Home / 249,124.52-343,788.63-135,939.98

Finding the Fourth Proportional to 249,124.52, 343,788.63 and 135,939.98

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Solution

The fourth proportional to 249,124.52, 343,788.63 and 135,939.98 is: 187,595.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,124.52 : 343,788.63 = 135,939.98 : x
  2. Step 2: Convert to fraction form
    249,124.52/343,788.63 = 135,939.98/x
  3. Step 3: Cross multiply
    249,124.52x = 343,788.63 × 135,939.98
  4. Step 4: Simplify right side
    249,124.52x = 46,734,619,486.43
  5. Step 5: Solve for x
    x = 46,734,619,486.43/249,124.52
  6. Step 6: Final answer
    x = 187,595.42

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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.