Home / 249,025.31-343,654.21-135,847.25

Finding the Fourth Proportional to 249,025.31, 343,654.21 and 135,847.25

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Solution

The fourth proportional to 249,025.31, 343,654.21 and 135,847.25 is: 187,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,025.31 : 343,654.21 = 135,847.25 : x
  2. Step 2: Convert to fraction form
    249,025.31/343,654.21 = 135,847.25/x
  3. Step 3: Cross multiply
    249,025.31x = 343,654.21 × 135,847.25
  4. Step 4: Simplify right side
    249,025.31x = 46,684,479,379.42
  5. Step 5: Solve for x
    x = 46,684,479,379.42/249,025.31
  6. Step 6: Final answer
    x = 187,468.81

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1.5x scale

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.