Home / 147,074.31-220,607.01-87,511.23

Finding the Fourth Proportional to 147,074.31, 220,607.01 and 87,511.23

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Solution

The fourth proportional to 147,074.31, 220,607.01 and 87,511.23 is: 131,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,074.31 : 220,607.01 = 87,511.23 : x
  2. Step 2: Convert to fraction form
    147,074.31/220,607.01 = 87,511.23/x
  3. Step 3: Cross multiply
    147,074.31x = 220,607.01 × 87,511.23
  4. Step 4: Simplify right side
    147,074.31x = 19,305,590,791.72
  5. Step 5: Solve for x
    x = 19,305,590,791.72/147,074.31
  6. Step 6: Final answer
    x = 131,264.19

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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.