Home / 249,151.04-343,823.64-135,974.60

Finding the Fourth Proportional to 249,151.04, 343,823.64 and 135,974.60

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Solution

The fourth proportional to 249,151.04, 343,823.64 and 135,974.60 is: 187,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,151.04 : 343,823.64 = 135,974.60 : x
  2. Step 2: Convert to fraction form
    249,151.04/343,823.64 = 135,974.60/x
  3. Step 3: Cross multiply
    249,151.04x = 343,823.64 × 135,974.60
  4. Step 4: Simplify right side
    249,151.04x = 46,751,281,919.54
  5. Step 5: Solve for x
    x = 46,751,281,919.54/249,151.04
  6. Step 6: Final answer
    x = 187,642.33

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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.