Home / 181,981.74-251,153.19-101,422.38

Finding the Fourth Proportional to 181,981.74, 251,153.19 and 101,422.38

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Solution

The fourth proportional to 181,981.74, 251,153.19 and 101,422.38 is: 139,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,981.74 : 251,153.19 = 101,422.38 : x
  2. Step 2: Convert to fraction form
    181,981.74/251,153.19 = 101,422.38/x
  3. Step 3: Cross multiply
    181,981.74x = 251,153.19 × 101,422.38
  4. Step 4: Simplify right side
    181,981.74x = 25,472,554,274.39
  5. Step 5: Solve for x
    x = 25,472,554,274.39/181,981.74
  6. Step 6: Final answer
    x = 139,973.13

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1.5x scale

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.