Home / 249,131.16-343,802.07-135,956.34

Finding the Fourth Proportional to 249,131.16, 343,802.07 and 135,956.34

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Solution

The fourth proportional to 249,131.16, 343,802.07 and 135,956.34 is: 187,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,131.16 : 343,802.07 = 135,956.34 : x
  2. Step 2: Convert to fraction form
    249,131.16/343,802.07 = 135,956.34/x
  3. Step 3: Cross multiply
    249,131.16x = 343,802.07 × 135,956.34
  4. Step 4: Simplify right side
    249,131.16x = 46,742,071,121.62
  5. Step 5: Solve for x
    x = 46,742,071,121.62/249,131.16
  6. Step 6: Final answer
    x = 187,620.33

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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.