Home / 147,578.61-221,236.43-54,062.49

Finding the Fourth Proportional to 147,578.61, 221,236.43 and 54,062.49

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Solution

The fourth proportional to 147,578.61, 221,236.43 and 54,062.49 is: 81,045.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,578.61 : 221,236.43 = 54,062.49 : x
  2. Step 2: Convert to fraction form
    147,578.61/221,236.43 = 54,062.49/x
  3. Step 3: Cross multiply
    147,578.61x = 221,236.43 × 54,062.49
  4. Step 4: Simplify right side
    147,578.61x = 11,960,592,014.20
  5. Step 5: Solve for x
    x = 11,960,592,014.20/147,578.61
  6. Step 6: Final answer
    x = 81,045.57

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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.