Home / 225,101.09-310,632.90-123,124.35

Finding the Fourth Proportional to 225,101.09, 310,632.90 and 123,124.35

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Solution

The fourth proportional to 225,101.09, 310,632.90 and 123,124.35 is: 169,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,101.09 : 310,632.90 = 123,124.35 : x
  2. Step 2: Convert to fraction form
    225,101.09/310,632.90 = 123,124.35/x
  3. Step 3: Cross multiply
    225,101.09x = 310,632.90 × 123,124.35
  4. Step 4: Simplify right side
    225,101.09x = 38,246,473,374.41
  5. Step 5: Solve for x
    x = 38,246,473,374.41/225,101.09
  6. Step 6: Final answer
    x = 169,907.98

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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.