Home / 223,726.02-308,743.23-121,752.29

Finding the Fourth Proportional to 223,726.02, 308,743.23 and 121,752.29

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Solution

The fourth proportional to 223,726.02, 308,743.23 and 121,752.29 is: 168,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,726.02 : 308,743.23 = 121,752.29 : x
  2. Step 2: Convert to fraction form
    223,726.02/308,743.23 = 121,752.29/x
  3. Step 3: Cross multiply
    223,726.02x = 308,743.23 × 121,752.29
  4. Step 4: Simplify right side
    223,726.02x = 37,590,193,730.78
  5. Step 5: Solve for x
    x = 37,590,193,730.78/223,726.02
  6. Step 6: Final answer
    x = 168,018.87

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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.