Home / 249,631.20-344,450.76-142,203.30

Finding the Fourth Proportional to 249,631.20, 344,450.76 and 142,203.30

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Solution

The fourth proportional to 249,631.20, 344,450.76 and 142,203.30 is: 196,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,631.20 : 344,450.76 = 142,203.30 : x
  2. Step 2: Convert to fraction form
    249,631.20/344,450.76 = 142,203.30/x
  3. Step 3: Cross multiply
    249,631.20x = 344,450.76 × 142,203.30
  4. Step 4: Simplify right side
    249,631.20x = 48,982,034,759.51
  5. Step 5: Solve for x
    x = 48,982,034,759.51/249,631.20
  6. Step 6: Final answer
    x = 196,217.60

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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.