Home / 254,122.05-350,685.96-139,395.28

Finding the Fourth Proportional to 254,122.05, 350,685.96 and 139,395.28

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Solution

The fourth proportional to 254,122.05, 350,685.96 and 139,395.28 is: 192,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,122.05 : 350,685.96 = 139,395.28 : x
  2. Step 2: Convert to fraction form
    254,122.05/350,685.96 = 139,395.28/x
  3. Step 3: Cross multiply
    254,122.05x = 350,685.96 × 139,395.28
  4. Step 4: Simplify right side
    254,122.05x = 48,883,967,726.47
  5. Step 5: Solve for x
    x = 48,883,967,726.47/254,122.05
  6. Step 6: Final answer
    x = 192,364.13

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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.