Home / 249,631.70-344,451.45-142,203.80

Finding the Fourth Proportional to 249,631.70, 344,451.45 and 142,203.80

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Solution

The fourth proportional to 249,631.70, 344,451.45 and 142,203.80 is: 196,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,631.70 : 344,451.45 = 142,203.80 : x
  2. Step 2: Convert to fraction form
    249,631.70/344,451.45 = 142,203.80/x
  3. Step 3: Cross multiply
    249,631.70x = 344,451.45 × 142,203.80
  4. Step 4: Simplify right side
    249,631.70x = 48,982,305,105.51
  5. Step 5: Solve for x
    x = 48,982,305,105.51/249,631.70
  6. Step 6: Final answer
    x = 196,218.29

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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.