Home / 223,747.63-308,702.10-126,935.47

Finding the Fourth Proportional to 223,747.63, 308,702.10 and 126,935.47

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Solution

The fourth proportional to 223,747.63, 308,702.10 and 126,935.47 is: 175,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,747.63 : 308,702.10 = 126,935.47 : x
  2. Step 2: Convert to fraction form
    223,747.63/308,702.10 = 126,935.47/x
  3. Step 3: Cross multiply
    223,747.63x = 308,702.10 × 126,935.47
  4. Step 4: Simplify right side
    223,747.63x = 39,185,246,153.49
  5. Step 5: Solve for x
    x = 39,185,246,153.49/223,747.63
  6. Step 6: Final answer
    x = 175,131.45

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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.