Home / 238,171.32-328,655.88-130,741.02

Finding the Fourth Proportional to 238,171.32, 328,655.88 and 130,741.02

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Solution

The fourth proportional to 238,171.32, 328,655.88 and 130,741.02 is: 180,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,171.32 : 328,655.88 = 130,741.02 : x
  2. Step 2: Convert to fraction form
    238,171.32/328,655.88 = 130,741.02/x
  3. Step 3: Cross multiply
    238,171.32x = 328,655.88 × 130,741.02
  4. Step 4: Simplify right side
    238,171.32x = 42,968,804,980.20
  5. Step 5: Solve for x
    x = 42,968,804,980.20/238,171.32
  6. Step 6: Final answer
    x = 180,411.33

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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.