Home / 72,314.40-108,282.94-58,197.31

Finding the Fourth Proportional to 72,314.40, 108,282.94 and 58,197.31

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Solution

The fourth proportional to 72,314.40, 108,282.94 and 58,197.31 is: 87,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,314.40 : 108,282.94 = 58,197.31 : x
  2. Step 2: Convert to fraction form
    72,314.40/108,282.94 = 58,197.31/x
  3. Step 3: Cross multiply
    72,314.40x = 108,282.94 × 58,197.31
  4. Step 4: Simplify right side
    72,314.40x = 6,301,775,826.89
  5. Step 5: Solve for x
    x = 6,301,775,826.89/72,314.40
  6. Step 6: Final answer
    x = 87,144.13

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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.