Home / 238,106.16-328,575.96-130,676.40

Finding the Fourth Proportional to 238,106.16, 328,575.96 and 130,676.40

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Solution

The fourth proportional to 238,106.16, 328,575.96 and 130,676.40 is: 180,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,106.16 : 328,575.96 = 130,676.40 : x
  2. Step 2: Convert to fraction form
    238,106.16/328,575.96 = 130,676.40/x
  3. Step 3: Cross multiply
    238,106.16x = 328,575.96 × 130,676.40
  4. Step 4: Simplify right side
    238,106.16x = 42,937,123,579.34
  5. Step 5: Solve for x
    x = 42,937,123,579.34/238,106.16
  6. Step 6: Final answer
    x = 180,327.65

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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.