Home / 238,078.28-328,552.98-130,642.04

Finding the Fourth Proportional to 238,078.28, 328,552.98 and 130,642.04

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Solution

The fourth proportional to 238,078.28, 328,552.98 and 130,642.04 is: 180,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,078.28 : 328,552.98 = 130,642.04 : x
  2. Step 2: Convert to fraction form
    238,078.28/328,552.98 = 130,642.04/x
  3. Step 3: Cross multiply
    238,078.28x = 328,552.98 × 130,642.04
  4. Step 4: Simplify right side
    238,078.28x = 42,922,831,555.28
  5. Step 5: Solve for x
    x = 42,922,831,555.28/238,078.28
  6. Step 6: Final answer
    x = 180,288.73

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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.