Home / 249,120.20-343,775.97-147,178.50

Finding the Fourth Proportional to 249,120.20, 343,775.97 and 147,178.50

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Solution

The fourth proportional to 249,120.20, 343,775.97 and 147,178.50 is: 203,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,120.20 : 343,775.97 = 147,178.50 : x
  2. Step 2: Convert to fraction form
    249,120.20/343,775.97 = 147,178.50/x
  3. Step 3: Cross multiply
    249,120.20x = 343,775.97 × 147,178.50
  4. Step 4: Simplify right side
    249,120.20x = 50,596,431,600.65
  5. Step 5: Solve for x
    x = 50,596,431,600.65/249,120.20
  6. Step 6: Final answer
    x = 203,100.48

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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.