Home / 207,246.52-310,869.78-137,109.46

Finding the Fourth Proportional to 207,246.52, 310,869.78 and 137,109.46

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Solution

The fourth proportional to 207,246.52, 310,869.78 and 137,109.46 is: 205,664.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,246.52 : 310,869.78 = 137,109.46 : x
  2. Step 2: Convert to fraction form
    207,246.52/310,869.78 = 137,109.46/x
  3. Step 3: Cross multiply
    207,246.52x = 310,869.78 × 137,109.46
  4. Step 4: Simplify right side
    207,246.52x = 42,623,187,666.12
  5. Step 5: Solve for x
    x = 42,623,187,666.12/207,246.52
  6. Step 6: Final answer
    x = 205,664.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.