Home / 141,979.32-212,968.98-36,789.48

Finding the Fourth Proportional to 141,979.32, 212,968.98 and 36,789.48

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Solution

The fourth proportional to 141,979.32, 212,968.98 and 36,789.48 is: 55,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,979.32 : 212,968.98 = 36,789.48 : x
  2. Step 2: Convert to fraction form
    141,979.32/212,968.98 = 36,789.48/x
  3. Step 3: Cross multiply
    141,979.32x = 212,968.98 × 36,789.48
  4. Step 4: Simplify right side
    141,979.32x = 7,835,018,030.33
  5. Step 5: Solve for x
    x = 7,835,018,030.33/141,979.32
  6. Step 6: Final answer
    x = 55,184.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.