Home / 249,920.51-344,889.27-135,198.88

Finding the Fourth Proportional to 249,920.51, 344,889.27 and 135,198.88

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Solution

The fourth proportional to 249,920.51, 344,889.27 and 135,198.88 is: 186,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,920.51 : 344,889.27 = 135,198.88 : x
  2. Step 2: Convert to fraction form
    249,920.51/344,889.27 = 135,198.88/x
  3. Step 3: Cross multiply
    249,920.51x = 344,889.27 × 135,198.88
  4. Step 4: Simplify right side
    249,920.51x = 46,628,643,459.13
  5. Step 5: Solve for x
    x = 46,628,643,459.13/249,920.51
  6. Step 6: Final answer
    x = 186,573.90

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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.