Home / 249,205.32-343,903.25-136,028.07

Finding the Fourth Proportional to 249,205.32, 343,903.25 and 136,028.07

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Solution

The fourth proportional to 249,205.32, 343,903.25 and 136,028.07 is: 187,718.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,205.32 : 343,903.25 = 136,028.07 : x
  2. Step 2: Convert to fraction form
    249,205.32/343,903.25 = 136,028.07/x
  3. Step 3: Cross multiply
    249,205.32x = 343,903.25 × 136,028.07
  4. Step 4: Simplify right side
    249,205.32x = 46,780,492,964.57
  5. Step 5: Solve for x
    x = 46,780,492,964.57/249,205.32
  6. Step 6: Final answer
    x = 187,718.68

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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.