Home / 249,139.80-343,820.46-141,725.24

Finding the Fourth Proportional to 249,139.80, 343,820.46 and 141,725.24

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Solution

The fourth proportional to 249,139.80, 343,820.46 and 141,725.24 is: 195,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,139.80 : 343,820.46 = 141,725.24 : x
  2. Step 2: Convert to fraction form
    249,139.80/343,820.46 = 141,725.24/x
  3. Step 3: Cross multiply
    249,139.80x = 343,820.46 × 141,725.24
  4. Step 4: Simplify right side
    249,139.80x = 48,728,037,210.41
  5. Step 5: Solve for x
    x = 48,728,037,210.41/249,139.80
  6. Step 6: Final answer
    x = 195,585.12

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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.