Home / 121,124.04-181,684.43-42,238

Finding the Fourth Proportional to 121,124.04, 181,684.43 and 42,238

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Solution

The fourth proportional to 121,124.04, 181,684.43 and 42,238 is: 63,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,124.04 : 181,684.43 = 42,238 : x
  2. Step 2: Convert to fraction form
    121,124.04/181,684.43 = 42,238/x
  3. Step 3: Cross multiply
    121,124.04x = 181,684.43 × 42,238
  4. Step 4: Simplify right side
    121,124.04x = 7,673,986,954.34
  5. Step 5: Solve for x
    x = 7,673,986,954.34/121,124.04
  6. Step 6: Final answer
    x = 63,356.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.