Home / 157,632.41-217,475.89-121,344.95

Finding the Fourth Proportional to 157,632.41, 217,475.89 and 121,344.95

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Solution

The fourth proportional to 157,632.41, 217,475.89 and 121,344.95 is: 167,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,632.41 : 217,475.89 = 121,344.95 : x
  2. Step 2: Convert to fraction form
    157,632.41/217,475.89 = 121,344.95/x
  3. Step 3: Cross multiply
    157,632.41x = 217,475.89 × 121,344.95
  4. Step 4: Simplify right side
    157,632.41x = 26,389,601,238.58
  5. Step 5: Solve for x
    x = 26,389,601,238.58/157,632.41
  6. Step 6: Final answer
    x = 167,412.29

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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.