Home / 238,114.82-328,618.62-130,703.05

Finding the Fourth Proportional to 238,114.82, 328,618.62 and 130,703.05

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Solution

The fourth proportional to 238,114.82, 328,618.62 and 130,703.05 is: 180,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,114.82 : 328,618.62 = 130,703.05 : x
  2. Step 2: Convert to fraction form
    238,114.82/328,618.62 = 130,703.05/x
  3. Step 3: Cross multiply
    238,114.82x = 328,618.62 × 130,703.05
  4. Step 4: Simplify right side
    238,114.82x = 42,951,455,920.79
  5. Step 5: Solve for x
    x = 42,951,455,920.79/238,114.82
  6. Step 6: Final answer
    x = 180,381.28

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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.