Home / 249,111.87-343,771.16-135,932.67

Finding the Fourth Proportional to 249,111.87, 343,771.16 and 135,932.67

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Solution

The fourth proportional to 249,111.87, 343,771.16 and 135,932.67 is: 187,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,111.87 : 343,771.16 = 135,932.67 : x
  2. Step 2: Convert to fraction form
    249,111.87/343,771.16 = 135,932.67/x
  3. Step 3: Cross multiply
    249,111.87x = 343,771.16 × 135,932.67
  4. Step 4: Simplify right side
    249,111.87x = 46,729,730,968.13
  5. Step 5: Solve for x
    x = 46,729,730,968.13/249,111.87
  6. Step 6: Final answer
    x = 187,585.32

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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.