Home / 238,181.32-328,669.50-130,751.20

Finding the Fourth Proportional to 238,181.32, 328,669.50 and 130,751.20

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Solution

The fourth proportional to 238,181.32, 328,669.50 and 130,751.20 is: 180,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,181.32 : 328,669.50 = 130,751.20 : x
  2. Step 2: Convert to fraction form
    238,181.32/328,669.50 = 130,751.20/x
  3. Step 3: Cross multiply
    238,181.32x = 328,669.50 × 130,751.20
  4. Step 4: Simplify right side
    238,181.32x = 42,973,931,528.40
  5. Step 5: Solve for x
    x = 42,973,931,528.40/238,181.32
  6. Step 6: Final answer
    x = 180,425.28

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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.