Home / 249,139.59-343,813.58-135,962.34

Finding the Fourth Proportional to 249,139.59, 343,813.58 and 135,962.34

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Solution

The fourth proportional to 249,139.59, 343,813.58 and 135,962.34 is: 187,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,139.59 : 343,813.58 = 135,962.34 : x
  2. Step 2: Convert to fraction form
    249,139.59/343,813.58 = 135,962.34/x
  3. Step 3: Cross multiply
    249,139.59x = 343,813.58 × 135,962.34
  4. Step 4: Simplify right side
    249,139.59x = 46,745,698,860.58
  5. Step 5: Solve for x
    x = 46,745,698,860.58/249,139.59
  6. Step 6: Final answer
    x = 187,628.55

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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.