Home / 249,146.73-343,817.69-135,970.29

Finding the Fourth Proportional to 249,146.73, 343,817.69 and 135,970.29

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Solution

The fourth proportional to 249,146.73, 343,817.69 and 135,970.29 is: 187,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,146.73 : 343,817.69 = 135,970.29 : x
  2. Step 2: Convert to fraction form
    249,146.73/343,817.69 = 135,970.29/x
  3. Step 3: Cross multiply
    249,146.73x = 343,817.69 × 135,970.29
  4. Step 4: Simplify right side
    249,146.73x = 46,748,991,016.43
  5. Step 5: Solve for x
    x = 46,748,991,016.43/249,146.73
  6. Step 6: Final answer
    x = 187,636.38

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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.