Home / 249,220.94-343,920.47-141,788.66

Finding the Fourth Proportional to 249,220.94, 343,920.47 and 141,788.66

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Solution

The fourth proportional to 249,220.94, 343,920.47 and 141,788.66 is: 195,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,220.94 : 343,920.47 = 141,788.66 : x
  2. Step 2: Convert to fraction form
    249,220.94/343,920.47 = 141,788.66/x
  3. Step 3: Cross multiply
    249,220.94x = 343,920.47 × 141,788.66
  4. Step 4: Simplify right side
    249,220.94x = 48,764,020,159.32
  5. Step 5: Solve for x
    x = 48,764,020,159.32/249,220.94
  6. Step 6: Final answer
    x = 195,665.83

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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.