Home / 249,147.04-343,818.12-135,970.60

Finding the Fourth Proportional to 249,147.04, 343,818.12 and 135,970.60

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Solution

The fourth proportional to 249,147.04, 343,818.12 and 135,970.60 is: 187,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,147.04 : 343,818.12 = 135,970.60 : x
  2. Step 2: Convert to fraction form
    249,147.04/343,818.12 = 135,970.60/x
  3. Step 3: Cross multiply
    249,147.04x = 343,818.12 × 135,970.60
  4. Step 4: Simplify right side
    249,147.04x = 46,749,156,067.27
  5. Step 5: Solve for x
    x = 46,749,156,067.27/249,147.04
  6. Step 6: Final answer
    x = 187,636.81

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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.