Home / 282,134.44-423,103.92-132,445.36

Finding the Fourth Proportional to 282,134.44, 423,103.92 and 132,445.36

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Solution

The fourth proportional to 282,134.44, 423,103.92 and 132,445.36 is: 198,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,134.44 : 423,103.92 = 132,445.36 : x
  2. Step 2: Convert to fraction form
    282,134.44/423,103.92 = 132,445.36/x
  3. Step 3: Cross multiply
    282,134.44x = 423,103.92 × 132,445.36
  4. Step 4: Simplify right side
    282,134.44x = 56,038,151,001.81
  5. Step 5: Solve for x
    x = 56,038,151,001.81/282,134.44
  6. Step 6: Final answer
    x = 198,622.16

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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.