Home / 249,626.20-344,443.86-142,198.30

Finding the Fourth Proportional to 249,626.20, 344,443.86 and 142,198.30

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Solution

The fourth proportional to 249,626.20, 344,443.86 and 142,198.30 is: 196,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,626.20 : 344,443.86 = 142,198.30 : x
  2. Step 2: Convert to fraction form
    249,626.20/344,443.86 = 142,198.30/x
  3. Step 3: Cross multiply
    249,626.20x = 344,443.86 × 142,198.30
  4. Step 4: Simplify right side
    249,626.20x = 48,979,331,337.44
  5. Step 5: Solve for x
    x = 48,979,331,337.44/249,626.20
  6. Step 6: Final answer
    x = 196,210.70

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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.