Home / 249,141.50-343,815.18-135,964.26

Finding the Fourth Proportional to 249,141.50, 343,815.18 and 135,964.26

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Solution

The fourth proportional to 249,141.50, 343,815.18 and 135,964.26 is: 187,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,141.50 : 343,815.18 = 135,964.26 : x
  2. Step 2: Convert to fraction form
    249,141.50/343,815.18 = 135,964.26/x
  3. Step 3: Cross multiply
    249,141.50x = 343,815.18 × 135,964.26
  4. Step 4: Simplify right side
    249,141.50x = 46,746,576,525.47
  5. Step 5: Solve for x
    x = 46,746,576,525.47/249,141.50
  6. Step 6: Final answer
    x = 187,630.63

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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.