Home / 249,121.80-343,795.62-141,707.16

Finding the Fourth Proportional to 249,121.80, 343,795.62 and 141,707.16

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Solution

The fourth proportional to 249,121.80, 343,795.62 and 141,707.16 is: 195,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,121.80 : 343,795.62 = 141,707.16 : x
  2. Step 2: Convert to fraction form
    249,121.80/343,795.62 = 141,707.16/x
  3. Step 3: Cross multiply
    249,121.80x = 343,795.62 × 141,707.16
  4. Step 4: Simplify right side
    249,121.80x = 48,718,300,930.64
  5. Step 5: Solve for x
    x = 48,718,300,930.64/249,121.80
  6. Step 6: Final answer
    x = 195,560.17

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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.