Home / 142,376.43-213,565.11-53,606.10

Finding the Fourth Proportional to 142,376.43, 213,565.11 and 53,606.10

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Solution

The fourth proportional to 142,376.43, 213,565.11 and 53,606.10 is: 80,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,376.43 : 213,565.11 = 53,606.10 : x
  2. Step 2: Convert to fraction form
    142,376.43/213,565.11 = 53,606.10/x
  3. Step 3: Cross multiply
    142,376.43x = 213,565.11 × 53,606.10
  4. Step 4: Simplify right side
    142,376.43x = 11,448,393,243.02
  5. Step 5: Solve for x
    x = 11,448,393,243.02/142,376.43
  6. Step 6: Final answer
    x = 80,409.33

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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.