Home / 224,913.09-310,379.81-122,939.22

Finding the Fourth Proportional to 224,913.09, 310,379.81 and 122,939.22

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Solution

The fourth proportional to 224,913.09, 310,379.81 and 122,939.22 is: 169,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,913.09 : 310,379.81 = 122,939.22 : x
  2. Step 2: Convert to fraction form
    224,913.09/310,379.81 = 122,939.22/x
  3. Step 3: Cross multiply
    224,913.09x = 310,379.81 × 122,939.22
  4. Step 4: Simplify right side
    224,913.09x = 38,157,851,130.45
  5. Step 5: Solve for x
    x = 38,157,851,130.45/224,913.09
  6. Step 6: Final answer
    x = 169,655.98

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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.