Home / 203,386.90-305,077.11-63,145.66

Finding the Fourth Proportional to 203,386.90, 305,077.11 and 63,145.66

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Solution

The fourth proportional to 203,386.90, 305,077.11 and 63,145.66 is: 94,717.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,386.90 : 305,077.11 = 63,145.66 : x
  2. Step 2: Convert to fraction form
    203,386.90/305,077.11 = 63,145.66/x
  3. Step 3: Cross multiply
    203,386.90x = 305,077.11 × 63,145.66
  4. Step 4: Simplify right side
    203,386.90x = 19,264,295,461.84
  5. Step 5: Solve for x
    x = 19,264,295,461.84/203,386.90
  6. Step 6: Final answer
    x = 94,717.48

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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.