Home / 238,055.04-328,530.78-130,625.28

Finding the Fourth Proportional to 238,055.04, 328,530.78 and 130,625.28

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Solution

The fourth proportional to 238,055.04, 328,530.78 and 130,625.28 is: 180,271.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,055.04 : 328,530.78 = 130,625.28 : x
  2. Step 2: Convert to fraction form
    238,055.04/328,530.78 = 130,625.28/x
  3. Step 3: Cross multiply
    238,055.04x = 328,530.78 × 130,625.28
  4. Step 4: Simplify right side
    238,055.04x = 42,914,425,126.12
  5. Step 5: Solve for x
    x = 42,914,425,126.12/238,055.04
  6. Step 6: Final answer
    x = 180,271.02

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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.